Latest about Planets
NASA's Curiosity rover accidentally reveals ultra-rare sulfur crystals after crushing a rock on Mars
NASA's Curiosity rover revealed an 'oasis' of rare elemental sulfur on Mars after accidentally crushing a rock with its tires. The yellow crystals have never been spotted on the Red Planet before.
Astronomers want to change how we define a planet — again
Astronomers are proposing a new, more quantitative definition of what makes a planet. The new definition looks more directly at the object's mass — but it would still leave Pluto out of the running.
NASA's 1st year-long mock Mars mission wraps up in Houston
Four volunteers exited a mock Mars habitat at NASA's Johnson Space Center on July 6, bringing the agency's first year-long simulated Red Planet mission to an end.
'Eyeball' planet spied by James Webb telescope might be habitable
Located 50 light-years from Earth, the beady-eyed exoplanet LHS 1140 b could be a perfect candidate for discovering liquid water outside the solar system, new research suggests.
James Webb telescope reveals rare, 'rotten egg' atmosphere around nearby hell planet
The James Webb Space Telescope revealed that the hot Jupiter exoplanet HD 189733 b, located just 64 light-years from Earth, has an atmosphere full of hydrogen sulfide, meaning it likely smells of rotten eggs.
Space photo of the week: 900 alien worlds packed into a single image
Slovakian artist Martin Vargic's spectacular new infographics artistically portray, visualize and compare more than 1,600 planets in other star systems.
Grand Canyon-size 'scar' on Mars revealed like never before in striking new satellite photos
New photos from the European Space Agency's Mars Express orbiter give us our best look yet at a giant ravine on the Red Planet. The dark "scar" was likely birthed by a gigantic blob of magma hidden beneath a massive nearby volcano millions of years ago.
NASA's Juno probe reveals 'fire-breathing' lava lakes across Jupiter's volcanic moon Io
New infrared images showcase "fire-breathing" lakes all across the surface of Jupiter's volcanic moon Io.
