Here are some tips for observing satellites in the night sky and some information behind the man-made objects.
Simulations reveal that our planetary system had a violent past, when giant planets changed their orbits.
More findings from Ceres’ Occator Crater, new views of the Crab Nebula, and Hitomi’s one and only observation.
This week’s headlines include a large sunspot, traveling to another star, and finding exoplanets.
Gravity waves in Venus' atmosphere are causing quite a stir!
Two distant stars may soon merge, creating a luminous red nova and possibly quite a show!
Moon samples from one of the Apollo missions in the 1970s date the Moon's formation farther back.
What does a star's chemistry tell us about the habitability of the planets orbiting it?
Astronomers are getting closer to solving the origins of Fast Radio Bursts, or FRBs.
Get ready for this year's solar eclipse. For more information, visit eclipse.aas.org
On the eve of a large U.S. astronomy meeting, we explore planetary formation—of Earth and exoplanets!