NASA has moved up a test of the Orion human spacecraft's launch-escape system (LES) and is working on safety measures for the vehicles first crewed flights.
One hundred and 15 years after the historic Apollo 11 mission landed the first astronauts on the moon, tourists visit "Tranquility Base" and stay at a sprawling commercial base, at least as envisioned by Andy Weir, the author of "The Martian," in his new
The launch of an advanced new weather satellite, the Joint Polar Satellite System 1, was delayed just minutes before its planned liftoff Tuesday (Nov. 14) due to an issue with satellite's Delta II rocket.
A Cygnus cargo spacecraft arrived at the International Space Station (ISS) today (Nov. 14) to deliver food, supplies and some fascinating science experiments to the Expedition 53 astronauts.
Twin astronauts Scott and Mark Kelly were separated for almost a year, undergoing intensive measurements when one was in space and one was on Earth. But that was only the beginning of their scientific odyssey.
This colorful sequence of images profiles the sun from surface to upper atmosphere.
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.