Hubble celebrates its 35th launch anniversary tomorrow (April 24), but there is a slight, yet tangible, damper in the air.

When a planet's orbit brings it between Earth and a distant star, it's more than just a cosmic game of hide and seek. It's an ...

April 22 is traditionally known as Earth Day, the occasion where we pause as temporary travelers on our 'blue marble' to ...

NASA's Perseverance rover on Mars has discovered unusual "float" rocks on the rim of Jezero Crater while searching for signs ...

NASA's Lucy spacecraft has beamed back pictures from its latest asteroid flyby. NASA released the images on Monday, a day ...

“As we study the complex structures in detail, they will reveal important information about the building blocks and ...

Veteran NASA astronaut Don Pettit celebrated his 70th birthday as he returned to Earth from a seven-month stay at the ...

NASA’s oldest serving astronaut returned to Earth on Saturday following a 7-month mission on board the International Space ...

NASA launched its latest cargo run to the International Space Station early Monday morning. At 4:15 a.m. EDT, a SpaceX Dragon ...

Don Pettit, NASA's oldest active astronaut, marked his 70th birthday by landing on the steppe of Kazakhstan after 220 days in ...

NASA's Lucy will venture as close as 596 miles to this asteroid, an estimated 2 ½ miles in length but much shorter in width.