Scientists have been hard at work trying to determine the densities of the TRAPPIST-1 planets, and it looks like water…
A new study suggests that Mars had a much larger ocean than previously thought. However, we can't understand how the…
A concentrated three-day search for a mysterious, unseen planet in the far reaches of our own solar system has yielded…
If a new definition of planet is adopted by the International Astronomical Union, our Solar System could be home to…
Last year, Caltech astronomers Mike Brown and Konstantin Batygin found indirect evidence for the existence of a large planet in…
Citizen science projects are a great way for anyone to be involved in the scientific process. Average, everyday folks have…
A NASA researcher thinks he has figured out how to predict global dust storms on Mars.
Astronomers discover the first exoplanet orbiting within a triple star system and manage to obtain a direct image of the…
A new image from Cassini shows Saturn's southern polar vortex in striking detail.
Surface features on Mars may have been caused by boiling water.