In an undated image provided by Firefly Aerospace, Firefly Aerospace’s Blue Ghost lunar lander approaches the moon. Firefly Aerospace’s...

The EPA’s science office provides the independent research that undergirds virtually all of the agency’s environmental policies, from...

A photo provided by NASA/JPL-Caltech/BAE Systems shows a solar array deployment test on one of the PUNCH satellites at Astrotech Space...

In a photo provided by PACE/NASA, a true-color image taken by the PACE satellite shows a spring algae bloom along the East Coast of North...

In an image provided by NASA, Circled in green, Asteroid 2024 YR4’s impact probability with Earth has increased from about 1 percent to a...

In an undated image provided by Bartolo Lab/ENS de Lyon, a dense crowd of attendees at the San Fermín festival in Pamplona, Spain....

In an image provided by NASA, Circled in green, Asteroid 2024 YR4’s impact probability with Earth has increased from about 1 percent to a...

A group of women pose for a group selfie at SpaceX’s launch site, Starbase, in Boca Chica, Texas, Nov. 15, 2024. (Callaghan O’Hare/The...