A comet from another star system is sweeping through our cosmic backyard and, for the first time, astronomers have picked up ...

The 26-foot-tall (8-meter-tall) cargo lander is expected to embark on its first flight during the first quarter of 2026, ...

With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

New observations of the red giant star R Doradus suggest starlight alone cannot drive stellar winds that spread key elements through the galaxy.

January nights are full of starry delights, and we have so many hours to enjoy them, provided the weather cooperates. As 2026 ...

Scientists have discovered a giant cosmic filament where galaxies spin in sync with the structure that holds them together.

Imaging technology has transformed how we observe the universe—from mapping distant galaxies with radio telescope arrays to ...

Scientists using the James Webb telescope observed a distant exoplanet with an atmosphere of soot and diamonds, challenging ...

In any other year, the supermassive black hole mentioned above would probably scoop the award for most striking outburst, but not in 2025. This year, that accolade goes to a flare designated ...

By tracking tiny stellar wobbles, astronomers have detected planets forming around young stars for the first time.

So, to create a must-read story list for you, we asked our staff to select their favorite pieces of 2025. Alas, while you're ...

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