"Every new result can reshape our understanding of planets, their habitability, and our place in this universe." ...

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

Yet despite the drumbeat of evidence, we still know of just one planet in the cosmos with life — the one you’re standing on.

According to new simulations, many, even most, planets get ejected from their star early in their history Star Trek ...

Mar. 17, 2025 — The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet system 130 light-years away ...

An astrophysicist dives into the complex scientific aspects of the Game of Thrones creators’ popular science-fiction series ...

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

The next year of science on the James Webb Space Telescope has been announced amid mounting budgetary uncertainty that could ...

Scientists have just discovered four small, rocky exoplanets orbiting Barnard’s Star, the nearest single star to our solar system after the Alpha Centauri system, NASA announced. Located only six ...

Each of the planets, labeled b, c, d, and e, has a mass between 20% and 30% of Earth's, making them among the smallest yet ...