Charon is large in size relative to Pluto, and is locked in a tight orbit with the dwarf planet. A new simulation suggests how it ended...
A scientist simulated the contents of the ice giant worlds, and found that a fluid layer may explain each planet’s strange magnetic field.
For a century, exoplanet hunters have “discovered” planets around a nearby star, only to retract the claims. But the latest find is for real.
Our understanding of Uranus might have been all wrong for nearly 40 years. In January 1986, NASA’s Voyager 2 spacecraft zoomed past Uranus as part of...
Astronomers have yet to confirm the existence of exomoons, but molecular signal around a far away star offers some of the best evidence yet.
Astronomers spotted a potential Earth-size rocky world orbiting a white dwarf, suggesting a future in which our planet outlives its star.
Impact craters found around the Earth that were made around the same time could be linked to debris falling from a ring, a new study suggests.
It’s just a little guy, and not everyone agrees that it’s actually a mini-moon.
Using ground-based radars, Dr. Goldstein pioneered measurement techniques that scientists now use to chart geographical changes on Earth.
Earth whirls around the sun in an ellipse, rather than a circle. On Friday the planet will reach its farthest point from its star, known as...