New Horizons scientists want to redefine what planets are
They're led by Alan Stern, the principal investigator for NASA's Pluto mission.
NASA is crowdsourcing the search for exoplanets
Your eyeballs can spot planets far better than algorithms.
Researchers offer new evidence of a liquid ocean on Pluto
Two new theories try to explain the dwarf planet's heart-shaped depression.
ESA releases first color photos of the EXOMARS crash site
It appears to confirm suspicions of the lander's impact fragmentation.
After Math: Only the essentials
Of course that includes the matched luggage.
A third of the world can no longer see the Milky Way
Thanks to light pollution, one in three of us can’t see the galaxy anymore.
Astronomers may have found the Solar System's 9th planet
No, it still isn't Pluto.
See what every star system Kepler's found looks like compared to ours
See all 1,700 exoplanets we currently know about
NASA discovers a 'close cousin' of Earth around a sun-like star
NASA's Kepler space telescope spotted a bigger, older cousin of the Earth.