A powerful new observatory is the best hope yet for finding the elusive Planet 9, a large planet that some scientists say is ...

A new trail in this southern Arizona city plots the most visitor-friendly astronomy stops—and there are plenty to choose from ...

A new trail in this southern Arizona city plots the most visitor-friendly astronomy stops—and there are plenty to choose from ...

A study has looked into whether or not it would be possible for life on Titan to exist and what it would look like if so.

Astronomers have confirmed the existence of four rocky planets orbiting Barnard’s Star, our nearest solitary stellar neighbor ...

Scientists are using an array of instruments to detect other planets, some of which may harbor life—and others that most ...

Our current view of Saturn means we're looking at the gas giant's famous rings edge on, making it impossible for telescopes on Earth to see them. This phenomenon is called a "ring plane crossing ...

“[Planetary scientists] have thought our solar system is not standard in its spacings,” says astronomer Juliette Becker of the University of Wisconsin-Madison. In particular, the rocky planets ...

Astronomers using the mighty James Webb Space Telescope have captured direct images of four planets in a star system 130 light years from Earth — an astonishingly eagle-eyed feat of cosmic photography ...

"We can see, for the first time, rings of dust surrounding protoplanets made visible by the bright starlight reflecting off ...

Now a startup called Stardust seeks something more ambitious: developing proprietary geoengineering technology that would help block sun rays from reaching the planet. Stardust formed in 2023 and ...

It started as another exoplanet in a group labeled “ordinary.” No one expected that a world, once thought to be a mini-Neptune, would reveal traits of a super-Venus and change how we see certain ...