Harvard astrophysicist Avi Loeb says the odds of interstellar object 3I/ATLAS aligning its rotation axis toward the Sun are ...

Astronomers said planet PSR J2322-2650b appears to have an exotic helium-and-carbon-dominated atmosphere unlike any ever seen ...

NASA reported 2025 achievements in lunar, Mars, and Earth science missions, including Artemis II preparations, CLPS landers, Mars ESCAPADE, ISS research, heliophysics, and new astronaut candidates.

The James Webb Space Telescope has found a strange exoplanet with a lemon-like shape. The planet orbits a dead star and has a ...

The 17th day of the annual Space Telescope Advent Calendar shows a pair of star-forming regions in a distant and dusty ...

A distant world with carbon in its atmosphere and extraordinarily high temperatures is unlike any other planet we’ve seen, and it’s unclear how it could have formed ...

Night sky update for December 17, 2025, covering the moon phase, visible planets, meteor showers, and key space and astronomy news from today ...

This study presents the first constraints on decaying dark matter lifetimes using JWST data, highlighting the potential of ...

Physicists spotted a “terribly exciting” new black hole, doubled down on weakening dark energy, and debated the meaning of ...

Scientists are scratching their heads over a recent James Webb Space Telescope (JWST) discovery that looks more like a piece ...

The discovery of a hidden supermassive black hole inside an ancient galaxy suggests that some of our universe's most extreme objects could be invisible unless observed in infrared wavelengths, James ...

The interstellar comet 3I/ATLAS is just days away from coming as close to Earth as it will ever get. Here's how you can track it and spot it.