The early solar system was a wild, world-destroying place.
The robot's failed mission shouldn't come as a shock.
The tiniest cosmonauts could help develop a "sunblock" for radiation
The story of heroic fasteners that will get us to the moon and back.
Our eyes in the sky are facing budget cuts
Kepler and Dawn guzzled through their precious gas for similar reasons.
Stranger worlds to come
The lightning struck more than twice.
Small, but mighty.
New Horizons will soon find out what's up with MU69.
New high-res images from New Horizons reveal a very blobby space rock.
And other Tiangong-1 facts.
James Webb is now slated for a 2021 launch—only a bajillion years late.
The James Webb Space Telescope has an ever-expanding timeline—and projected cost.
NASA announced the nine astronauts selected for its Commercial Crew program.
Earth isn't flat, but this strange world might be.
No crowdfunding required
There's still more to explore after Pluto.
What is going on with my moon?
Lunar exploration started as an adventure, now prospectors also see dollar signs in that smiling cheese.
This summer, the mission may get funding to travel to a mysterious rock at the edge of the solar system
Not quite ready for takeoff
Should we go? Can we afford to go? All this, and more.