NASA’s Lucy spacecraft will fly by asteroid Donaldjohanson on April 20, 2025, revealing its shattered past, strange spin, and secrets of planetary formation in a major space milestone.

Giant Exoplanets in HR 8799 System Likely Formed Like Jupiter and Saturn The first exoplanet was discovered in the 1990s, but ...

For years, astronomers have sought a way to directly observe the atmospheres of exoplanets, worlds orbiting distant stars.

The JWST has spotted the presence of carbon dioxide on HR 8799’s four known planets, part of a system astronomers use to ...

Four small, newly discovered worlds are less than six light-years away from Earth, and their discovery reinforces a ...

NASA's Webb telescope has captured images of multiple planets in a nearby star system, confirming that Webb can infer exoplanet atmospheres' chemistry.

It's rare for any observatory to directly image a planet beyond our solar system, called an exoplanet, but the powerful James ...

NASA’s James Webb Space Telescope has provided a direct look at the multiple gas giant planets within the iconic planetary ...

The heliosphere, a cosmic bubble formed by the Sun, protects our solar system from interstellar threats and influences life's ...

Studying young gas giant exoplanets' compositions and orbits could help us better understand how our own solar system's gas ...

A combination of cosmic processes shapes the formation of one of the most common types of planets outside of our solar system, according to a new study.