Mars has a less dense crust than astronomers thought
Understanding the crust provides important information about the planet’s evolution.
Hubble telescope spots evidence of water on Trappist-1 planets
There's a very slim chance the planets are habitable.
Optical laser uses shockwaves to peer inside distant planets
It has as much kick as 17 Teslas discharging their batteries in a second.
Trappist-1 planets may have formed from chunks of melting ice
A new theory explains why the planets are so close together and similar in size.
The search for a habitable second Earth
We’ve never had a better chance of finding extraterrestrial life -- if it exists.
ICYMI: A prosthetic hand with two senses
The better to grab objects with, my dear
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.