NASA plans to send probe deep into interstellar space
An in-development Interstellar Probe could explore an area 10 times farther away than any craft before it, providing an unprecedented look at interstellar space.
More than 5,000 tons of space dust hit Earth every year
We now know about how much space dust — micrometeorites that may have seeded Earth with the ingredients for life — hits the planet every year.
Scientists measure Mars’ core — and it is shockingly big!
For the first time, scientists have measured Mars’ core — and found it is much bigger than expected.
A distant exoplanet made itself a second atmosphere
A distant exoplanet, GJ 1132 b, appears to have created a second atmosphere for itself after being stripped of its first.
Building infrastructure on Mars is tricky — these bugs could help
Landing on Mars is just the beginning — to live there, we'll need to invent Martian concrete.
Icelandic rocks hold clues to Mars’ ancient climate
Water once flowed on Mars. But was ancient Mars’s climate hot and wet, or dry and glacial? Iceland may hold the answer.
This cloudless “hot Jupiter” is unlike any known exoplanet
Astronomers have discovered a first-of-its-kind cloudless hot Jupiter — and it could expand our understanding of exoplanet formation.
We're floating in 6,000 tons of junk
There's a lot of trash in outer space. We need to clean it up before it becomes unusable.