One Elon is a visionary; the other is a troll. The more he tweets, the harder it gets to tell them apart.
Newly discovered galaxies are scrambling our story of the universe.
Escalating from grainy videos of so-called aliens to fighter jets blowing things out of the sky will only fuel America’s obsession.
Forget the far side and consider the lunar poles.
Most strange sights in the sky have a very terrestrial explanation.
How old will you be when Halley’s Comet comes back? When people walk on Mars? When we explore Jupiter’s mysterious, icy moon?
Is this space rock the size of a train car or 22 penguins?
And it would be strangely beautiful to behold.
Humans last set foot on the moon 50 years ago. Now we’re going back, but the way we explore space has gone through some big changes.
NASA’s InSight mission was the little lander that kinda, mostly could.
Well, well, well! Look what the Martian wind blew in.
An uncrewed capsule has circled the moon and made a historic plunge on its way home.
The question is how.
2001: A Space Odyssey is prescient, beautiful, and entirely unsatisfactory.
After a successful takeoff, a crewless capsule is on its way to the moon. Where’s the fanfare?
Deciphering the behavior of cephalopods can be messy.
Astronomers have captured a poignant view of another planetary system in the making.
The storied space superpower was already stalling. Then came the Ukraine war.
Beneath its frozen surface could be a salty ocean—and maybe a comfortable home for small life forms.
The beloved Hubble observatory could get the SpaceX treatment.