Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

In a stellar nursery 460 light-years away, astronomers sharpened old ALMA data and spotted crisp rings and spirals swirling ...

Solar System Planets. Astronomy articles on the eight planets, plus the two dwarf planets, Pluto and Eris. Great pictures of everything in the solar system. Updated daily.

The Hubble Space Telescope time-lapse captured footage of Jupiter, Saturn, Uranus and Neptune. Credit: SCIENCE: NASA, ESA, ...

James Webb’s mid-infrared vision has likely captured a frigid, Saturn-mass planet shaping the dusty rings around the nearby ...

The Solar System may appear calm and well organized, but it is actually the result of billions of years of delicate cosmic balancing. Changing the order of the planets might sound like a fun thought ...

Most disks observed were about 30 astronomical units wide, roughly 30 times the Earth-Sun distance. The presence of intricate structures in such early systems implies a parallel evolution of infant ...

Solar flares can reshape exoplanet atmospheres within days, affecting temperature, winds, and potential habitability.

What can Earth-sized exoplanets teach scientists about the formation and evolution of exoplanets throughout the cosmos? This is what a study recently posted to the arXiv preprint server hopes to ...

Using gravitational microlensing, scientists have discovered a rare, large planet at the edge of the Milky Way. The planet is ...

It’s an important question to ask before we send people to Mars or anywhere else in the solar system. The Open Science Data Repository Analysis Working Groups (OSDR AWGs) are teams of people - ...