Decades in the making, NASA's X-ray timelapse shows a stellar explosion expanding into space at up to 2% the speed of light.

A new video shows the evolution of Kepler's Supernova Remnant using data from NASA's Chandra X-ray Observatory captured over ...

You might feel like the days and weeks are slipping by. Here is how one psychologist says you can shift your experience of ...

C hina has decided to take hypergravity to a whole new level – testing both materials and fundamental physics in a regime we ...

Prague, October 1604. The then 34-year-old astronomer Johannes Kepler was looking at the constellation of Ophiuchus, and he ...

President Trump delivered a prime-time address to the nation live from the White House on Wednesday evening, focusing on his economic policies and immigration as the year comes to a close. Follow ...

Liftoff occurred at 6:40 a.m. EST (1140 GMT) on Wednesday (Dec. 10). When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The launch of a new batch of ...

Astronauts Tom Stafford (left) and Wally Schirra (right) demonstrating with two model space crafts during an interview in the 1960s Donald Uhrbrock / Getty Images On December 15, 1965, NASA’s mission ...

Clocks on Mars tick faster by about 477 microseconds each Earth day, a new study suggests. This difference is significantly more than that for our moon, posing potential challenges for future crewed ...

CC0 Usage Conditions ApplyClick for more information. ASL STREAM - “You know how astronauts have the right stuff? The stuff you have is wrong,” astronaut Michael Massimino says to hapless engineer ...

Meet her just before midnight: Taylor Swift will be on "The Late Show with Stephen Colbert" on Dec. 10. The singer is set to appear on Colbert's show ahead of the release of her six-part "Eras Tour" ...

A Providence Police officer takes down crime scene tape across the street from Barus & Holley School at Brown University, the day after two people were killed and nine people were injured by a gunman ...