planets
Why This Nearby Rocky Exoplanet Is Worth Its ‘Weight in Gold’
Cosmically speaking, HD 219134b is our next-door neighbor.
Earth's "Closest Cousin" Discovered by NASA
See gorgeous renderings of Kepler-452b, the newest planetary discovery from NASA's ongoing search for another Earth.
Pluto’s Icy Plains Reveal Its Recent Geological Activity
The New Horizons flyby is over, but the fun has just begun.
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NASA's New Horizons Makes Pluto Flyby, Nine Years After Leaving Earth
The closest look at the dwarf planet we've ever had.
Advice for New Horizons from 1989
Suzanne Dodd knows how the New Horizons team must be feeling right now. She guided Voyager 2 on our first flyby of Neptune in 1989.
Speaking to an Astrophysicist Who Just Discovered a Five-Billion-Year-Old Galaxy
Yes, we asked her about aliens.
Is There Life on Saturn's Moon? To Find Out, Watch Its Geysers
The possibility of life on Enceladus may depend on the size of its ocean, and its geysers have some clues.
A Far Out Theory Asks If Underground Life Could Live Off Cosmic Rays
And we might be able to find such life right here on Earth—hypothetically, of course.
Methane Found in Crushed Martian Meteorites Suggests Mars Could Support Life
It's not evidence of life, but researchers have some thoughts on where we're most likely to find it.