The LHS 1903 system defies expectations with a rocky outer planet, prompting new ideas about how planets form and evolve.

Ancient Greeks believed in alien life, as well as in gods, souls, and beings that inhabited the Moon, stars, and Heavens.

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The Artemis II astronauts who ignited a lunar renaissance gave high marks Thursday to their moonship, especially the heat ...

Aristotle's views on the nature of the cosmos dominated the Ancient Greek world. He argued that there's only one world, at ...

Multiple scientists tied to U.S. military and defense research have disappeared or died, prompting questions about whether a ...

Had the video game Zero Wing been as big as its most famous quote, the Sega Genesis might have won the 1990s console wars and ...

What is the Star Trek franchise without the Starship Enterprise? Let's take a look at all of the iterations of the iconic ...

A research team has developed a new approach to detecting life beyond Earth that does not rely on identifying specific ...

If the U.S. is ever to set up a permanent outpost on the moon, it will need nuclear power. The White House just released a ...

Deep within massive rocky exoplanets, hidden oceans of molten rock may be generating powerful magnetic fields in an ...

Satellite imagery shows impact craters at and near the tunnel entrances to aircraft shelters at Iran’s remote “Eagle 44” base ...