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ASASSN-16oh, Illustration Credit: NASA/CXC/M.Weiss

Double Trouble: A White Dwarf Surprises Astronomers

Double Trouble: A White Dwarf Surprises Astronomers Astronomers have detected a bright X-ray outburst from a star in the Small Magellanic Cloud, a nearby galaxy almost 200,000 light years from Earth. A combination of X-ray and optical data indicate that the source of this radiation is a white dwarf star…

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Bubbles can be modelled as having a negative mass. Mike Lewinski/Flickr, CC BY-ND

Bizarre ‘dark fluid’ with negative mass could dominate the universe – what my research suggests

Bizarre ‘dark fluid’ with negative mass could dominate the universe – what my research suggests Bubbles can be modelled as having a negative mass. Mike Lewinski/Flickr, CC BY-ND Jamie Farnes, University of Oxford It’s embarrassing, but astrophysicists are the first to admit it. Our best theoretical model can only explain 5%…

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Clouds over American Samoa from NASA’s Atmospheric Tomography mission in 2016. Credit: NASA

Greenhouse Gas ‘Detergent’ Recycles Itself in Atmosphere: NASA Study

Greenhouse Gas ‘Detergent’ Recycles Itself in Atmosphere: NASA Study A simple molecule in the atmosphere that acts as a “detergent” to breakdown methane and other greenhouse gases has been found to recycle itself to maintain a steady global presence in the face of rising emissions, according to new NASA research.…

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COP24: 12 years from disaster – editors’ guide to what our academic experts say is needed to fight climate change

COP24: 12 years from disaster – editors’ guide to what our academic experts say is needed to fight climate change NicoElNino / shutterstock Jack Marley, The Conversation and Khalil A. Cassimally, The Conversation World leaders are gathering in Katowice, Poland, to negotiate the world’s response to climate change. The 24th…

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This artist’s concept shows the OSIRIS-REx spacecraft approaching the asteroid Bennu. NASA

NASA spacecraft gets up close with an asteroid that could one day collide with Earth

NASA spacecraft gets up close with an asteroid that could one day collide with Earth Image of Bennu from a distance of around 50 miles (80 km). NASA/Goddard/University of Arizona Kathryn Harriss, University of Kent NASA’s spacecraft OSIRIS-REx has finally reached the asteroid 101955 Bennu – which may be on…

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image taken by the OSIRIS-REx spacecraft shows Bennu in one full rotation from a distance of around 50 miles (80 km). The spacecraft’s PolyCam camera obtained the thirty-six 2.2-millisecond frames over a period of four hours and 18 minutes. Credits: NASA's Goddard Space Flight Center/University of Arizona

OSIRIS-REx Arrives at Bennu

OSIRIS-REx Arrives at Bennu After traveling through space for more than two years and over two billion kilometers, NASA’s Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer (OSIRIS-REx) spacecraft arrived at its destination, asteroid Bennu, on Monday, Dec. 3, 2018. The spacecraft will spend almost a year surveying the asteroid with…

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This dark, tangled web is an object named SNR 0454-67.2. It formed in a very violent fashion — it is a supernova remnant, Image credit: European Space Agency (ESA)

Hubble Captures Tangled Remnants of a Supernova

Hubble Captures Tangled Remnants of a Supernova This dark, tangled web is an object named SNR 0454-67.2. It formed in a very violent fashion — it is a supernova remnant, created after a massive star ended its life in a cataclysmic explosion and threw its constituent material out into surrounding…

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Artist’s impression of InSight after its scientific instruments have been deployed. Courtesy NASA/JPL-Caltech.

After a nail-biting landing, here’s what’s next for Mars InSight

After a nail-biting landing, here’s what’s next for Mars InSight Artist’s impression of InSight after its scientific instruments have been deployed. Courtesy NASA/JPL-Caltech. Bob Myhill, University of Bristol It’s notoriously hard to land on Mars, yet NASA managed just that with its recent InSight lander. From childhood, I’ve loved watching…

View More After a nail-biting landing, here’s what’s next for Mars InSight

An artist’s impression of fast radio bursts in the sky above the Australian SKA precursor, ASKAP. OzGrav, Swinburne University of Technology

How scientists are working together to solve one of the universe’s mysteries

How scientists are working together to solve one of the universe’s mysteries An artist’s impression of fast radio bursts in the sky above the Australian SKA precursor, ASKAP. OzGrav, Swinburne University of Technology Emma Platts, University of Cape Town and Amanda Weltman, University of Cape Town One of the most…

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The Instrument Deployment Camera (IDC), located on the robotic arm of NASA's InSight lander, took this picture of the Martian surface on Nov. 26, 2018, the same day the spacecraft touched down on the Red Planet. The camera's transparent dust cover is still on in this image, to prevent particulates kicked up during landing from settling on the camera's lens. This image was relayed from InSight to Earth via NASA's Odyssey spacecraft, currently orbiting Mars. Credits: NASA/JPL-Caltech

InSight Is Catching Rays on Mars

InSight Is Catching Rays on Mars NASA’s InSight has sent signals to Earth indicating that its solar panels are open and collecting sunlight on the Martian surface. NASA’s Mars Odyssey orbiter relayed the signals, which were received on Earth at about 5:30 p.m. PST (8:30 p.m. EST). Solar array deployment…

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NASA's Curiosity Mars rover drove across was taken by the rover's Mast Camera (Mastcam) during the 538th Martian day, or sol, of Curiosity's work on Mars (Feb. 9, 2014). Credit NASA/JPL-Caltech/MSSS

Our long fascination with the journey to Mars

Our long fascination with the journey to Mars Signs of life on Mars? These are the tracks of NASA’s Curiosity rover exploring the Martian landscape. NASA/JPL-Caltech/MSSS Paulo de Souza, CSIRO It’s touchdown again on Mars, thanks to NASA’s InSight probe. This latest mission will continue our exploration of much that…

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If you went to Mars, you’d need to be able to survive an extremely punishing environment. This picture, taken by NASA’s Mars Exploration Rover Opportunity, gives you an idea. NASA/JPL-Caltech/Cornell Univ./Arizona State Univ. , CC BY-SA

Curious Kids: What are some of the challenges to Mars travel?

Curious Kids: What are some of the challenges to Mars travel? If you went to Mars, you’d need to be able to survive an extremely punishing environment. This picture, taken by NASA’s Mars Exploration Rover Opportunity, gives you an idea. NASA/JPL-Caltech/Cornell Univ./Arizona State Univ. , CC BY-SA Paulo de Souza,…

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Steven Barrett/MIT

Ion drive space engine used on aircraft for first time

Ion drive space engine used on aircraft for first time Steven Barrett/MIT Jason Knight, University of Portsmouth Imagine an aircraft engine that has no moving parts, produces no harmful exhaust and makes no noise. That’s what researchers at the Massachusetts Institute of Technology (MIT) in the US have created by…

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An artist's impression of NASA InSight's entry, descent and landing at Mars, scheduled for Nov. 26, 2018. Credits: NASA/JPL-Caltech

NASA InSight Team on Course for Mars Touchdown

NASA InSight Team on Course for Mars Touchdown NASA’s Mars Interior Exploration using Seismic Investigations, Geodesy and Heat Transport (InSight) spacecraft is on track for a soft touchdown on the surface of the Red Planet on Nov. 26, the Monday after Thanksgiving. But it’s not going to be a relaxing…

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