Carl Grillmair, a renowned Caltech scientist who discovered water on a distant planet, was fatally shot at his Los Angeles-area home. Authorities arrested a suspect in connection with the killing.

Astrobiologists say we could find evidence of microbial life within the next 10–20 years. What does that mean? Where are we ...

Life on Earth may not have started here at all. A scientist says alien intervention is unlikely but still possible, reshaping the debate on our true origins.

As next-generation telescopes map this outer frontier, astronomers are bracing for discoveries that could reveal hidden planets, strange structures, and clues to the solar system’s chaotic youth.

A vast underground tunnel known as a lava tube, formed from ancient volcanic activity, has been discovered Venus.

Research suggests that large, stable lava tubes may exist beneath the surface of Venus based on numerical modeling and geological context. The titled question is addressed by findings showing that ...

The idea that Venus, often called Earth’s twin, could harbor vast underground lava tubes is gaining serious traction. Recent studies suggest that these massive subterranean structures might span up to ...

New theoretical models have strengthened the case that immense, energy-harvesting structures orbiting their host stars could exist in principle in distant stellar systems. With the right engineering ...

Researchers participating in the VERITAS (Venus Emissivity, Radio Science, InSAR, Topography, and Spectroscopy) mission field campaign to Iceland examine part of the Fagradalsfjall lava field, one ...

Elon Musk discussed his views on whether aliens exist during a discussion at the World Economic Forum in Davos, Switzerland. Newsweek reached out to Musk’s company SpaceX for additional comment via ...