Astronomers have revealed new evidence that not just one, but four tiny planets are circling around Barnard's Star, the ...

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

There's a class of objects in the cosmos that are neither stars, nor are they quite planets. Astronomers used the powerful ...

In February 2025, conditions were just right to catch a "planetary party" above the European Southern Observatory's (ESO) ...

A rare grouping of 10 celestial bodies is captured in a stunning new photo taken during last weekend’s great planetary parade ...

A new study by Rice University researchers Sho Shibata and Andre Izidoro presents a compelling new model for the formation of ...

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 through the ...

According to NASA, multi-planet lineups are visible "every few years," but a seven-planet alignment is particularly uncommon, as each planet's orbit varies, with some moving more quickly and Mercury, ...

SPHEREx is set to launch at Friday from California. Here are five things to know about NASA's latest advanced space telescope ...

The MCU won't be seeing the Guardians of the Galaxy together again anytime soon, but one prominent member might be getting a ...