Pandora mission is designeed to "provide in-depth study of at least 20 known planets orbiting distant stars," according to NASA's Goddard Space Flight Center. Credit: NASA’s Goddard Space Flight Cente ...

NASA’s Curiosity rover has identified seven new organic compounds on the planet Mars, according to new research published in ...

Scientists have discovered unexpected water-ice clouds on a distant, Jupiter-like exoplanet, challenging current atmospheric ...

Mars may look barren today, but beneath its dusty surface, scientists are uncovering clues that tell a very different story.

The greatest space movies are so varied that they don’t even all take the same approach to their setting. Some of them are ...

We have no idea what kind of life may exist on other planets, so it’s hard to know what to look for. Proxima Kósmos imagines ...

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

An interstellar comet changed its chemistry after passing the Sun, revealing hidden layers and a surprising mix of carbon ...

The president in February directed the Department of Defense to begin reviewing government files related to extraterrestrial ...

A new study suggests alien life may be easier to detect through clusters of similar planets rather than single biosignatures.

Even at a glance, the planets in our solar system are wildly diverse. Huge and small, airless and densely packed with ...

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