Volcanic caves are not just an Earth thing. Scientists have spotted signs of lava tubes on the Moon and Mars. Now, ...

Penn State researchers think a key ingredient for life may have formed in deep freeze, not in a warm asteroid puddle. A space ...

Harvard scientist Avi Loeb suggests comet 3I/ATLAS may be an alien vessel seeding life, after NASA's SPHEREx spacecraft detected unexplained methane and organic chemicals on board.

As much as 45 oceans’ worth of hydrogen may be in Earth’s core, scientists reported, suggesting most of Earth’s water was ...

Cosmic rays inside a dense molecular cloud were measured for the first time, helping scientists better understand how stars begin forming.

A rare total lunar eclipse will create a deep-red Blood Moon Mar. 2–3, 2026; see viewing times by time zone and tips to watch safely.

A NASA spacecraft has discovered organic chemicals on 3I/ATLAS, which Harvard scientist Avi Loeb claims raises the ...

NASA shared that with a more precise shape, it will help astronomers understand data from planets seen passing in front of ...

A pair of new studies suggest that key steps toward life’s chemistry may begin long before planets exist. Experiments simulating interstellar space show that simple amino acids can link into peptides, ...

Elon Musk’s ambition to one day settle Mars appears to have taken a back seat for a rather nearer and more achievable goal – ...

As part of an effort to bring the study of space radiation in-house, SpaceX is now developing its own particle accelerator in Florida.

With the ability to generate thousands of times the G-force of Earth and to handle as much as 1,900 tons of mass combined ...