NASA's Hubble telescope has circled our planet in a low-Earth orbit for decades. But how much longer has become increasingly uncertain.

The unmatched sensitivity of the NASA/ESA/CSA James Webb Space Telescope in both near- and mid-infrared light sheds new light on PMR 1, a little-studied nebula in the constellation of Vela.

There's an unusual astronomical event happening on February 28: a six-planet "parade" when Mercury, Venus, Neptune, Uranus, ...

A blood-red moon will soon grace the skies for a total lunar eclipse — and there won’t be another until late 2028. Related ...

The Atacama Cosmology Telescope’s final data release confirms a major cosmic discrepancy and rules out many attempted solutions.

Webb captured the object in infrared — light wavelengths that are invisible to human eyes but can pierce through thick dust.

A 'prelude to a supernova' is how NASA describes this stunning new James Webb Space Telescope image of Wolf-Rayet Star WR 124 ...

The James Webb Space Telescope captured amazing imagery of merging galaxies II ZW 96. The merger is located 500 million light ...

When you look up at the night sky, it appears unchanging. But if you look deep enough you will find that the sky is in fact ...

Can NASA and Elon Musk get us to Mars and beyond?

The tigers in Chiang Mai province got sick and died between Feb. 8 and Feb. 18. Officials say autopsies found canine distemper virus and some bacteria but no bird flu virus. Both parks remain closed.