A little-known chapter of the Hubble Space Telescope’s history is a reminder of the risks of looking at the sun ...

The James Webb Space Telescope has spotted one of the earliest and most distant supernovas, marking the death of a stellar ...

The James Webb Space Telescope has captured a mid-infrared picture of Sagittarius A*, filling in a long-standing gap in ...

The Webb telescope — a scientific collaboration between NASA, ESA, and the Canadian Space Agency — is designed to peer into ...

The shells of carbon-rich dust are expanding outward into space at the breakneck velocity of 1,600 miles per second.

Since the middle of the month, four of the five brightest planets in the night sky have been visible after sunset and will ...

"We have by and large been ignoring triples in models and simulations — we're just starting to understand how these types of ...

A rare parade of planets will light up the night sky throughout January. Six planets will be in alignment for the rest of the ...

The James Webb Space Telescope captured photos of one of the earliest supernovas ever seen using infrared technology, and ...

Jupiter's Great Red Spot storm, which usually appears dark-red, can be seen shining a lurid blue color in an ultraviolet ...

Leo P, a galaxy once dormant, has reawakened to form stars again, offering new clues about the universe's earliest galaxies.

Alignments of five or more planets are rare—there will be two more featuring five or more planets this year, but after that ...