A new model has been developed to simulate interstellar activity within our solar system and the nearby Alpha Centauri system. Interstellar material has been found within our solar system, but ...

Combining with one other previously confirmed planet, one of our closest stellar neighbors now has a family of four.

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

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

We often focus on space observatories that peer beyond Earth. But the vast majority of satellites stare right back at us.

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 ...

Astronomers have discovered a new planet in our solar system called ‘Enaiposha’. GJ 1214 b, nicknamed Enaiposha, is a planet discovered 47 light-years away. This extraordinary celestial body ...

The nearest single star to the sun, Barnard’s star, has a brood of planets all its own. The red dwarf star, about six light-years from Earth, hosts four close-in planets each about two to three ...

"There really is something very different about how these giant planets form versus how small planets like Earth form." Scientists have used data from NASA's retired planet-hunting space telescope ...

Four small rocky planets detected in orbit around Barnard's Star, the nearest single star system to our solar system, are seen in this illustration released on March 11, 2025. International Gemini ...

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The James Webb Space Telescope has directly observed the key chemical of carbon dioxide in planets outside of our solar system for the first time, scientists announced Monday. The gas giants are ...