Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar ...

Gaia-4b, a giant exoplanet orbiting a small star, is the first planet confirmed using Gaia’s astrometric technique.

In 2011, a project that surveyed the Milky Way galaxy for exoplanets — which are planets beyond our solar system — spotted an ...

"An epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey ...

The SPHEREx astrophysics mission will take stock of water’s cosmic origins by scanning the galaxy for hidden reservoirs.

NASA scientists have detected a star and trailing exoplanet that may be sailing through the Milky Way with unprecedented ...

A new image from the Hubble Space Telescope shows a cosmic cloudscape, with clouds of dust and gas swirling in beautiful colors.

A potential record-breaking exoplanet system, traveling at 1.2M mph, may be the first of its kind ever identified.

NASA said the system is thought to be moving at least 1.2 million miler per hour, nearly twice as fast as our solar system.

In 2011, a project that surveyed the Milky Way galaxy for exoplanets — which are planets beyond our solar system — spotted an intriguing signal: They found two objects traveling together ...