Exotic 'Einstein ring' suggests that mysterious dark matter interacts with itself
The unexplained mass of a remarkably massive galaxy suggests that dark matter interacts with itself, according to new observations by the James Webb Space Telescope.
By Elizabeth Howell published
Boeing Starliner astronauts spent hundreds of hours in simulators preparing for Crew Test Flight, which lifts off May 6. I got a brief taste of what they experienced.
By Elizabeth Howell published
NASA's Dana Weigel has held leadership positions at the agency for 20 years. Now leading the ISS program, she highlighted the outpost's increasingly commercial focus.
By Sharmila Kuthunur published
Wide-open spaces of the western U.S. may partly explain the region’s higher UAP sightings, according to a new study.
By Joe Rao published
Jupiter and a slim crescent moon are the stand-out night sky sight in the evening sky right now.
By Scott Snowden last updated
Time to catch up on some long overdue sci-fi, so here's our handy guide to what's on
By Jeff Spry published
CNN's space documentary, "Space Shuttle Columbia: The Final Flight" reaches its finale on April 14. You can watch an exclusive clip now.
By Robert Z. Pearlman published
Watching the new trailer for the upcoming movie "Fly Me to the Moon" might leave you thinking that it is an entire work of fiction. And for the most part, you would be correct.
By Space.com last updated
Reference Keep up with all the rocket launches, astronomical events and mission milestones for 2024 with our space calendar.