NASA’s long record of Martian exploration has trained the public to expect a steady stream of images and data from the Red ...

On the other were two more figures in space suits, with the tiniest Stars and Stripes planted in the lunar soil. Cruz ...

NASA is set to launch the Pandora space telescope on January 11 to study the atmospheres of distant exoplanets. The mission ...

If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...

Oscar-winning actress Jessica Chastain is returning for a second season of Audible‘s “The Space Within,” an audio thriller set in a world of alien mysteries, government conspiracies and altered human ...

Is it alien? Is it natural? Those questions have followed the interstellar comet known as 3I/ATLAS since it entered our solar system last year from beyond our own star system. A new study released ...

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The thought experiment suggests that we need to avoid human biases in our ...

Most planets can be described in at least one respect: They circle a star, making them somewhat easy(ish) to find. A transit dips the star’s light. A wobble nudges the star’s spectrum. Even a direct ...

On January 5, 2005, astronomers at NASA discovered Eris, the second-largest dwarf planet in the solar system. Eris is just slightly smaller than Pluto, and it orbits the sun about three times farther ...

In a zesty new discovery, scientists have unearthed a strange lemon-shaped exoplanet. It is unlike one we have seen before, challenging many of the previously held assumptions about planetary ...

In July, researchers using the NASA-funded Asteroid Terrestrial-impact Last Alert System survey telescope in Chile made an exceedingly rare discovery: a mysterious object passing through the solar ...

Add Yahoo as a preferred source to see more of our stories on Google. (AFP/Getty) Scientists have spotted a “rogue” planet floating on its own through space. Most of the planets we know are found ...