This image shows what happens when two galaxies collide to become one.
The private spaceflight company SpaceX launched two Falcon 9 rockets in three days, and landed their first stage boosters, on Oct. 9 and 11, 2017. See how those amazing missions went in photos here.
Virgin Galactic eventually aims to add point-to-point passenger flights to its repertoire, which would dramatically reduce the time needed to get from Boston to Beijing or Sydney to San Francisco, company CEO George Whitesides said.
A privately funded team may beat NASA to the punch when it comes to looking for life on the Saturn moon Enceladus.
A new photography book zooms in on micrometeorites — incredibly small, surprisingly complex, undeniably beautiful space rocks that liter the surface of the Earth.
A European astronaut now has a permanent presence in space. Astronaut Luca Parmitano — who flew on the International Space Station in 2013 — has an asteroid named after him, called "Lucaparmitano."
NASA is launching a shoebox-size satellite into Earth's orbit that could help improve weather forecasting.
Check out our gallery of stunning images from the upcoming book "In Search of Stardust: Amazing Micrometeorites and Their Terrestrial Imposters."
Ever wonder what it would be like to stand on an alien planet while you get lacerated by burning rain?
In a cosmic twofer, an advanced new weather satellite is launching into space tomorrow (Nov. 14) as a robotic cargo ship arrives at the International Space Station. Here's how to watch live.
About 2,000 years ago, a Roman politician celebrated his victory by commissioning a sundial and putting it on display for all to see, according to archaeologists who just found the ancient timekeeping device in Italy.
Two small satellites launched to the International Space Station Sunday (Nov. 12) to test a new laser-based, space-to-ground communication system and a new way for satellites to work together while in orbit.
"Star Trek: Discovery" ended up being weirdly timely as the crew discussed an issue coincidentally making the rounds in Hollywood these past few weeks.
Area 51. The name conjures an aura of secrecy, mystery, and of course, extraterrestrial happenings. Here's a look at some of the strangest facts about the spot.
The search for the ancient chemical origins of life has a new candidate — a multitasking enzyme that may have set the evolutionary ball rolling.
Say hello to the Joint Polar Satellite System 1 (JPSS-1), a new weather satellite with a wide range of capabilities.
The Sierra Nevada Corporation's privately built Dream Chaser space plane aced a critical test flight Saturday (Nov. 12) during an uncrewed drop test over California's Mojave Desert.
The winged ship's heritage dates back to Soviet and NASA concepts from the 1980s.
A first peek at production of "Stargate Origins" shows a young Catherine Langford working in a "tent city."
On Nov. 12, 2017, an Orbital ATK Antares rocket launched a Cygnus cargo ship on the OA-8 resupply mission to the International Space Station for NASA. See photos of the stunning launch and delivery here.