Space News

New observations from NASA's Orbiting Carbon Observatory-2 (OCO-2) mission is providing insight into how Earth is responding to rising levels of heat-trapping gases in the atmosphere, and what this means for our future c...

NASA's Space to Ground is your weekly update on what's happening aboard the International Space Station....

Pulsars, dwarf planets and alien worlds break records, a strange space object falls from the sky and Pluto's moons get weird -- this is Space.com's top stories of the week.

In her new book Randall probes the connections between seemingly unrelated phenomena in our universe --

Often the focus of NASA and other space agencies is the large, big-ticket flight projects. However, since the budgets for smaller missions are limited and projects are nimble, they can be accomplished at quite modest cos...

I'm kindof in awe over this news: On Oct. 27, 2015, NASA's Swift satellite detected its 1000th gamma-ray burst! That's a lot of bursts. Swift was launched in November 2004. It's a relatively small and inexpensive astrono...

Were you a bit saddened when Pluto lost its rank as a planet in our solar system? Perhaps before this you had thought that we had a firm understanding of our solar system and we were ready to look further. Apparently, as...

From a gorgeous photo of the Milky Way to a spectacular sunrise taken from the ISS, don't miss these amazing space images.