Look across the night sky and it is easy to think the universe is mostly stars, galaxies and the planets that orbit them. Yet ...

Surprised astronomers just discovered a world that blurs the line between planet and stellar remnant, hiding in a system ...

The moon and sun share top billing in 2026. Kicking off the year's cosmic wonders is the moon, drawing the first astronauts ...

NASA’s Europa Clipper spacecraft has recorded important new observations of the interstellar comet 3I/ATLAS using its Southwest Research Institute-led Ultraviolet Spectrograph (UVS). In July, 3I/ATLAS ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

From up-close insect duets to cosmic wonders and dramatic wildlife encounters, these prize-winning images capture this year's ...

The final day of the annual Space Telescope Advent Calendar shows a new view of one of the most famous deep-space images of ...

Fourth anniversaries aren’t often causes for celebration. But in the case of the James Webb Space Telescope (JWST), which ...

The hours following sunset on Dec. 25 offer a wealth of naked-eye astronomy targets that can put even the most glitzy ...

The James Webb Space Telescope blasted off from a launchpad in French Guiana in 2021, before reaching a spot in orbit a million miles away. It soon began breaking cosmology.

On Christmas night, Jupiter will be one of the brightest objects in the sky — and a  stand-in for the mythical “Christmas ...

Katy has a BA in Humanities and Philosophy, with over 20 years of experience in online and print publishing. She was named ...