NASA's Hubble Telescope captured the rare phenomenon of a comet breaking apart, catching scientists off guard until they saw ...

Like tiny photobombers, cosmic anomalies resembling small, bright red points show up in almost every snapshot taken by the ...

A 'prelude to a supernova' is how NASA describes this stunning new James Webb Space Telescope image of Wolf-Rayet Star WR 124. Travel 15,000 light years in this zoom-in to see the amazing look. Credit ...

Fly about 2,600 light-years to Hubble Space Telescope imagery of the Cygnus loop nebula. See images from 2001 and 2020.

In a happy twist of fate, NASA’s Hubble Space Telescope just witnessed a comet in the act of breaking apart. The chance of that happening while Hubble watched is extraordinarily minuscule. The ...

Neil Armstrong photos from NASA's 1966 Gemini 8 emergency splashdown near Japan are now public, donated to the Armstrong Air ...

Data collected by NASA's missions about interstellar comet 3I/ATLAS will continue to reveal insights about the comet and interstellar objects at large.

Sixty years after Neil Armstrong barely survived an emergency in orbit around Earth on Gemini 8, never-before-seen photos of ...

As moon missions accelerate, countries are working to define how to respond to emergencies and avoid interference between ...

Former FBI director and special counsel investigating Russian interference in the 2016 election Robert S. Mueller III died Friday at age 81.

Astronomers are baffled by Kepler-51’s “super-puff” planets—giant worlds as light as cotton candy. Despite expectations, the James Webb Space Telescope failed to detect their atmospheric signatures, ...

Tonight’s phenomenon is remarkable because it brings together several rare occurrences simultaneously. The Show Starts at ...