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Curiosity rover captured 2 solar eclipses on Mars
Watch Mars' moons Phobos and Deimos cross the sun in a pair of solar eclipses last month, in these animations made from images from the Curiosity rover's cameras.
April 7, 2019
Astronomers find a planet fragment orbiting a dead star
The star is a white dwarf, a cool, dead, dense star like our sun some 6 billion years from now. The planet fragment - made of heavy metals - survived a system-wide cataclysm that followed the star's death.
April 4, 2019
Did deep groundwater cause these mysterious dark streaks on Mars?
Mars is a cold, dry desert, but a new study provides tantalizing evidence for liquid water deep below its surface. If it exists, this Mars groundwater might cause the weird dark streaks in Martian craters and canyons.
April 3, 2019
See Mars via images from ExoMars orbiter
These images from ESA's ExoMars orbiter show Mars in all of its diverse geological wonder. Also, if you look carefully, you can spy NASA's newest Mars mission, the InSight lander!
April 3, 2019
Astronomers find 2nd galaxy lacking dark matter
Dark matter theory - the idea that a huge fraction of our universe exists in a form we can't see - is a cornerstone of modern cosmology. Ironically, galaxies lacking dark matter might help confirm the theory.
April 2, 2019
Speedy asteroid buzzed Earth last week, 1 day before being detected
A small asteroid - now designated as 2019 FC1 - flew closer to us than the moon on March 28, 2019. Astronomers detected it 1 day later. It's the largest of 14 asteroids to pass closer to us than the moon since 2019 began.
April 1, 2019
Saturn’s rings coat 5 tiny moons
New findings from Cassini - which orbited Saturn from 2004 to 2017 - confirm that dust and ice from Saturn's rings accumulate on moons orbiting in the rings' vicinity.
April 1, 2019
NASA and Google partner on Mars exploration
Devon Island in the Arctic is one of Earth's most Mars-like places. NASA is there, training scientists and testing technologies for future Mars exploration. Now Google has joined in, to bring Devon Island's Mars-like wonders to you.
March 31, 2019
Grab a bit of asteroid Bennu? Turns out, it’s tougher than expected
The OSIRIS-REx mission, which plans to get an sample of the asteroid and return it to Earth, is facing some unexpected challenges.
March 31, 2019
Hubble captures a rare active asteroid
The Space Telescope's sharp imaging provided detail on activity from active asteroid Gault, which is now known to be spinning on its axis so fast that material on its surface at times flies off into space.
March 30, 2019
