Astronomers may have uncovered a massive hidden planet far beyond Neptune, using decades-old infrared data. The object’s ...

T he largest planet-forming disk ever observed, nicknamed Dracula’s Chivito after a Uruguayan sandwich, has been revealed to ...

On Christmas Eve 1968, the Earth received a message from astronauts on a mission like no other - the first around the moon. NASA will return in 2026.

NASA's Curiosity rover will go dark for a few weeks due to a conjunction between Earth and Mars, blocking communication ...

Interstellar comet 3I/ATLAS completes its near-miss with Earth, revealing bizarre chemistry and highlighting the growing ...

The South Sandwich Islands were born from a tectonic collision, forged by volcanism and relentlessly reshaped by ice, wind ...

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

Pluribus imagines Kepler-22b as an ocean world that sends a gift to humanity through radio waves. In real life, no such ...

An alien comet, a Martian volcano, a man’s fall from the sun and a groundbreaking telescope’s first images: Here are the most jaw-dropping space photos of 2025.

Kuiper Belt clues, competing ideas, and how Rubin Observatory could finally reveal the hidden world soon by 2026.

One of the primary goals of the James Webb Space Telescope (JWST) is to detect atmospheres around exoplanets, to try to suss ...

On Friday, December 19, the comet made its closest pass to Earth, safely cruising by at a distance of approximately 167 ...