Latest News
Astronomers missed a space explosion as powerful as a billion suns — until they spotted its echo
A cosmic explosion with an energy equivalent to the output of a billion suns went unnoticed by astronomers until they caught the "echo" of this gamma-ray burst.
On this day in space: March 20, 1987: NASA launches Palapa B2-P satellite for Indonesia
On March 20, 1987, NASA launched an Indonesian communications satellite called Palapa B2-P.
Earthshine will reveal the moon's hidden face tonight— here's how to see it
Catch the soft glow of earthshine as a young crescent moon appears low after sunset.
Rocket launch today: Is there a rocket launch and what time?
Follow Space.com's rocket launch blog for the latest on when the next rocket launch will be and how to follow it live.
A not-so-equal equinox: Why day beats night on the 1st day of spring
The spring equinox marks the first day of spring today, but daylight actually lasts several minutes longer than night. Here's why the equinox doesn't appear perfectly equal.
Night sky tonight, March 20-22 — Look out for Venus, a razor-thin moon and the Pleiades shining bright
Find out what you can see in the night sky for tonight, from planets and stars to dazzling meteor showers.
Aurora forecast March 20-22 — Northern lights may intensify this weekend as solar storm arrives
The latest aurora forecast for tonight helps you make sure you're in the right place at the right time to see the northern lights.
These cotton candy exoplanets hide behind a haze even the James Webb Space Telescope can't penetrate
These worlds are among the least dense ever found, and all attempts to probe their atmospheres have been blocked by a mysterious smog.
