Space

British billionaire Richard Branson and his space-tourism company Virgin Galactic announced new steps Friday toward offering thrill rides into the low reaches of space.

Two researchers suggest a small amount of Earth’s heaviest elements were created in the collision of two neutron stars 4.6 billion ...

The universe is expanding faster than it used to, meaning it's about a billion years younger than we thought, a new study by a Nobel Prize winner says.

The Philadelphia Science Festival encompasses nine days of more than 80 extraordinary, mostly free science events all around the city fro ...

NASA Astronaut Christina Koch’s maiden voyage in space will extend for almost double the scheduled duration. She is now set to stay ...

Commenters on the Cool Cape May Facebook page reported seeing the vivid fireball and feeling shaking. 

Next week, (Wednesday evening at the Union League in Philadelphia) the Geographical Society of Philadelphia will bestow its 128th Explo ...

The newly pictured supermassive black hole is a beast with no name, at least not an official one. And what happens next could be cosmically confusing.

"Getting a direct view of a black hole is the ultimate dream for a lot of physicists," as astrophysicist Adam Frank wrote for NPR.

The Event Horizon Telescope team may reveal an image of a black hole event horizon on Wednesday. An array of eight radio telescopes aroun ...

Jupiter has seen quite a dramatic change since formation 4.5 billion years ago. Now the largest planet in the solar system, with a mass g ...

History was supposed to be made Friday when, for the first time, two female astronauts were scheduled to do a spacewalk together outside the International Space Station.

Next Friday, March 29th an historic spacewalk will take place; Anne McClain and Christina Koch will step outside International Space Stat ...

The Atacama desert in Chile is one of the most arid places on the planet – averaging less than one inch of rainfall per year! High ...

French journalist Jacques Tiziou left behind thousands of collectors’ items related to space travel. His son is cataloguing the artifacts, and hopes to share them.