Intergalactic gas clouds are slightly hotter than they should be, new research claims, and theoretical particles called 'dark photons' could explain it.
A broken hill, an ancient crater and the human tendency to find faces everywhere may explain the teddy bear on Mars.
A mysterious "whirlpool" of light temporarily shone in the night sky above Hawaii's Mauna Kea. Experts think it was linked to a SpaceX launch.
C/2022 E3 (ZTF), a comet that has recently made headlines as it flies closer to Earth, briefly developed an ethereal third tail thanks to a weird optical illusion.
The James Webb Space Telescope's latest observations of icy molecules will help scientists understand how habitable planets form.
The Danuri spacecraft arrived in lunar orbit in Dec. 2022, and its first image dump is out of this world.
When new planets form in distant solar systems, they carve out 'hurricanes' and 'vortices' in the surrounding dust that could lead astronomers straight to them.
An amateur astronomer witnessed the moment that the green comet C/2022 E3 had part of its tail blasted away by a coronal mass ejection.
An analysis of eight years of data reveals a possible telltale sign that a region of the sun is about to erupt.
Astronomers detected a radio signal from deeper in space than ever before, using a cosmic trick first predicted by Einstein.
Mysterious fast radio bursts (FRBs) helped astronomers weigh our galaxy, and reveal that some matter is missing.
Through a phenomenon known as gravitational lensing, aliens could be transmitting signals using the sun, but a quick scan for such signals has turned up nothing.
Early life made an inhospitable Earth more habitable, and aliens could be doing the same thing on their worlds, new research proposes.
The green comet C/2022 E3 (ZTF) will make a close approach to Earth on Feb. 1 before sailing off into deep space for millions of years.