The local universe may be expanding more slowly than previously thought, a discovery that could relieve a pesky discrepancy ...

NASA will provide live coverage as two American astronauts are due to spend hours Wednesday, March 18, on a spacewalk outside ...

Venus is making a dazzling comeback, climbing into view above western skies, marking the beginning of her journey as an ...

How telescope magnifications work and why eyepieces are the best upgrade for achieving your stargazing goals. When you ...

In a stroke of luck, astronomers saw the comet C/2025 K1 (ATLAS) break into four or five fragments in November after it passed close to the sun.

Two telescopes have captured images of the Cat's Eye Nebula, revealing how a dying star shed layers of material in violent ...

Venus and Saturn are due up for a visually striking event known as a planetary conjunction. Here's everything to know about ...

An upcoming book from presenter and author Dallas Campbell collects both iconic and lesser-known images of space, from ...

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

Each spring, amateur astronomers attempt the ultimate stargazing challenge—an overnight quest to spot every galaxy, nebula, ...

Roughly 66 million years ago, scientists believe an enormous meteor, dubbed Chicxulub, smashed into the Earth in an extinction-level event that wiped out 75 percent of life, including the vast ...

The James Webb Space Telescope captured amazing imagery of the Chameleon I dark molecular cloud. It harbors the "deepest, coldest ices measured to date in a molecular cloud," according to ESA. Credit: ...