Smithsonian National Postal Museum, Washington, D.C.

NISAR’s first radar images reveal how this powerful satellite will help track disasters, monitor crops, and study Earth’s ...

Scientists have uncovered new types of organics in icy geysers spouting from Saturn’s moon Enceladus, bolstering the ...

An asteroid hurtling through space could hit the moon in 2032 – and scientists are weighing how best to deal with it.

CAPE CANAVERAL, Fla. (AP) — Scientists have uncovered new types of organics in icy geysers spouting from Saturn’s moon ...

An agreement to study a private astronaut mission using an Orion spacecraft is a step by Lockheed Martin in efforts to offer ...

A UCLA astronomer who leads planetary defense missions for NASA says avoiding asteroid impacts is “a problem we can ...

Reanalyzing old data with our modern understanding seems to be in vogue lately. However, the implications of that reanalysis ...

Scientists digging through data collected by the Cassini spacecraft have found new complex organic molecules spewing from ...

What happens to NASA and its operations in Florida during the government shutdown? Will rocket launches be delayed? Is ...