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Astrobiology

Our rover could discover life on Mars – here’s what it would take to prove it

Mars seen by Viking. NASA / USGS

Our rover could discover life on Mars – here’s what it would take to prove it

Our rover could discover life on Mars – here’s what it would take to prove it Mars seen by Viking. NASA / USGS Claire Cousins, University of St Andrews Finding past or present microbial life on Mars would without doubt be one of the greatest […]

Spanning Disciplines in the Search for Life Beyond Earth

An illustration of Kepler-186f, the first Earth-size planet discovered within a star’s habitable zone. Scientists now know of thousands of exoplanets, but our knowledge is limited because we can’t yet view them directly. Credit: NASA Ames/SETI Institute/JPL-Caltech

Spanning Disciplines in the Search for Life Beyond Earth

Spanning Disciplines in the Search for Life Beyond Earth The search for life beyond Earth is riding a surge of creativity and innovation. Following a gold rush of exoplanet discovery over the past two decades, it is time to tackle the next step: determining which […]

Worries about spreading Earth microbes shouldn’t slow search for life on Mars

The Viking landers in the 1970s were the last to look directly for life on Mars. NASA/JPL, CC BY

Worries about spreading Earth microbes shouldn’t slow search for life on Mars

Worries about spreading Earth microbes shouldn’t slow search for life on Mars The Viking landers in the 1970s were the last to look directly for life on Mars. NASA/JPL, CC BY Alberto G. Fairén, Cornell University There may be no bigger question than whether we […]

Seeds in space – how well can they survive harsh, non-Earth conditions?

NASA, CC

Seeds in space – how well can they survive harsh, non-Earth conditions?

Seeds in space – how well can they survive harsh, non-Earth conditions? Spend many months attached to the ISS and see how well you grow. NASA, CC BY Gina Riggio, University of Arkansas Will we someday colonize space? Will our children visit other planets? To […]

NASA Selects Proposals to Study Sun, Space Environment

Illustration of the heliophysics system Credits: NASA

NASA Selects Proposals to Study Sun, Space Environment

NASA Selects Proposals to Study Sun, Space Environment NASA has selected nine proposals under its Explorers Program that will return transformational science about the Sun and space environment and fill science gaps between the agency’s larger missions; eight for focused scientific investigations and one for technological development […]

Saturn’s moon Titan may harbour simple life forms – and reveal how organisms first formed on Earth

Credit: Kelvinsong

Saturn’s moon Titan may harbour simple life forms – and reveal how organisms first formed on Earth

Saturn’s moon Titan may harbour simple life forms – and reveal how organisms first formed on Earth False colour mosaic made from infrared data collected by the Cassini spacecraft. NASA / JPL-Caltech / Space Science Institute Ravi Desai, UCL How chemical reactions on a lifeless […]

Scientists find some of Mars’ youngest volcanoes – and discover they could have supported life

1700km-wide region of Mars including Olympus Mons (upper left) and several other volcanoes of Mars’s Tharsis province. Colour-coded topography. NASA/USGS/ESA/DLR/FU Berlin (G Neukum)

Scientists find some of Mars’ youngest volcanoes – and discover they could have supported life

Scientists find some of Mars’ youngest volcanoes – and discover they could have supported life 4000 km wide view of Mars’ (colour-coded topgraphy) Coprates Chasma. NASA/USGS/ESA/DLR/FU Berlin (G Neukum), CC BY-SA David Rothery, The Open University It may seem that Mars was once a much […]

What biological clocks and geological rocks tell us about life in space

Is the evolution of human-like intelligence inevitable, or exceptional? Anton Jankovoy/shutterstock

What biological clocks and geological rocks tell us about life in space

What biological clocks and geological rocks tell us about life in space Is the evolution of human-like intelligence inevitable, or exceptional? Anton Jankovoy/shutterstock Sarah R.N. McIntyre, Australian National University and Charley Lineweaver, Australian National University One of the first geological lessons we learn is that […]

Ethiopia’s inhospitable Danakil Depression gives us clues about life on Mars

by Achilli Family | Journey (CC BY 2.0)

Ethiopia’s inhospitable Danakil Depression gives us clues about life on Mars

Ethiopia’s inhospitable Danakil Depression gives us clues about life on Mars Hydrothermal pool in the Dallol hot springs, Danakil Depression. Barbara Cavalazzi, Geologist – Europlanet expedition 2017 Barbara Cavalazzi, University of Bologna The Danakil Depression, including the Dallol volcanic area is one of the most […]

Life on Earth is used to gravity – so what happens to our cells and tissues in space?

Life on Earth is used to gravity – so what happens to our cells and tissues in space?

Life on Earth is used to gravity – so what happens to our cells and tissues in space? Look ma, no gravity! NASA , CC BY Andy Tay, University of California, Los Angeles There’s one force whose effects are so deeply entrenched in our everyday […]