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Moons

An Atmosphere Around the Moon? NASA Research Suggests Significant Atmosphere in Lunar Past and Possible Source of Lunar Water

Artistic impression of the Moon, looking over the Imbrium Basin, with lavas erupting, venting gases, and producing a visible atmosphere. Credit: NASA MSFC

An Atmosphere Around the Moon? NASA Research Suggests Significant Atmosphere in Lunar Past and Possible Source of Lunar Water

An Atmosphere Around the Moon? NASA Research Suggests Significant Atmosphere in Lunar Past and Possible Source of Lunar Water Looking up at the Moon at night, Earth’s closest neighbor appears in shades of gray and white; a dry desert in the vacuum of space, inactive […]

How we found our lost Mars lander after a decade of searching – and what’s next

Images of the lost Beagle 2. Author provided

How we found our lost Mars lander after a decade of searching – and what’s next

How we found our lost Mars lander after a decade of searching – and what’s next Images of the lost Beagle 2. Author provided John Bridges, University of Leicester The last picture taken of the Mars lander Beagle 2 showed it being successfully ejected from […]

How a new orbital moon station could take us to Mars and beyond

A NASA Orion craft brings a crew to the Deep Space Gateway in lunar orbit (artist’s impression) NASA

How a new orbital moon station could take us to Mars and beyond

How a new orbital moon station could take us to Mars and beyond Full moon photographed from Earth. Gregory H. Revera/wikimedia, CC BY-SA David Rothery, The Open University The dream of a human habitat in orbit about the moon came a step closer on September […]

A RAVAN in the Sun

On Aug. 21, 2017, RAVAN observed the sun during the solar eclipse. Here, an artistic rendering depicts RAVAN’s view just prior to the event. Credits: NASA

A RAVAN in the Sun

A RAVAN in the Sun While people across the nation gazed at August’s total solar eclipse from Earth, a bread loaf-sized NASA satellite had a front row seat for the astronomical event. The Radiometer Assessment using Vertically Aligned Nanotubes, or RAVAN, CubeSat was developed to […]

Curious Kids: Why is the Earth round?

The mass of the Earth is big enough that the gravitational force it creates can pull the hard shape of ice, rock and metal into a sphere. NASA Earth Observatory images by Joshua Stevens, using Suomi NPP VIIRS data from Miguel Román, NASA's Goddard Space Flight Center

Curious Kids: Why is the Earth round?

Curious Kids: Why is the Earth round? The mass of the Earth is big enough that the gravitational force it creates can pull the hard shape of ice, rock and metal into a sphere. NASA Earth Observatory images by Joshua Stevens, using Suomi NPP VIIRS […]

Cassini crashes: it’s time for a new mission to explore the possibility of life on Saturn’s moons

Cassini in front of The Lord of the Rings. NASA

Cassini crashes: it’s time for a new mission to explore the possibility of life on Saturn’s moons

Cassini crashes: it’s time for a new mission to explore the possibility of life on Saturn’s moons Cassini in front of The Lord of the Rings. NASA Monica Grady, The Open University NASA’s Cassini mission has made its “death plunge” into the swirling clouds of […]

Mission over: the final countdown to Cassini’s fatal plunge into Saturn

An illustration of Cassini as it plunges into Saturn’s atmosphere. NASA/JPL-Caltech

Mission over: the final countdown to Cassini’s fatal plunge into Saturn

Mission over: the final countdown to Cassini’s fatal plunge into Saturn An illustration of Cassini as it plunges into Saturn’s atmosphere. NASA/JPL-Caltech Ed Kruzins, CSIRO and Richard Stephenson, CSIRO When the Cassini space probe makes its final descent into Saturn later today, data from the […]

The secrets of Titan: Cassini searched for the building blocks of life on Saturn’s largest moon

Cassini captures Saturn’s largest moon, Titan. NASA/JPL-Caltech/SSI

The secrets of Titan: Cassini searched for the building blocks of life on Saturn’s largest moon

The secrets of Titan: Cassini searched for the building blocks of life on Saturn’s largest moon Cassini captures Saturn’s largest moon, Titan. NASA/JPL-Caltech/SSI Courtney Ennis, La Trobe University Lakes and seas of liquid methane, rain from hydrocarbon clouds, and evidence of poisonous hydrogen cyanide in […]

Cassini Makes its ‘Goodbye Kiss’ Flyby of Titan

Cassini made its final, distant flyby of Saturn's moon Titan on Sept. 11, which set the spacecraft on its final dive toward the planet. Credits: NASA/JPL-Caltech

Cassini Makes its ‘Goodbye Kiss’ Flyby of Titan

Cassini Makes its ‘Goodbye Kiss’ Flyby of Titan NASA’s Cassini spacecraft is headed toward its Sept. 15 plunge into Saturn, following a final, distant flyby of the planet’s giant moon Titan. The spacecraft made its closest approach to Titan today at 12:04 p.m. PDT (3:04 […]

How Two Ground-based Telescopes Support NASA’s Cassini Mission

The aftermath of a massive storm that erupted in Saturn’s northern hemisphere in December 2010 continues to be tracked by researchers, including observations planned using the new high-resolution iSHELL instrument at NASA’s Infrared Telescope Facility. Credits: NASA/JPL-Caltech/SSI

How Two Ground-based Telescopes Support NASA’s Cassini Mission

How Two Ground-based Telescopes Support NASA’s Cassini Mission When NASA’s Cassini spacecraft plunges into the atmosphere of Saturn on Sept. 15, ending its 20 years of exploration, astronomers will observe the giant planet from Earth, giving context to Cassini’s final measurements. “The whole time Cassini […]