NASA’s Transiting Exoplanet Survey Satellite (TESS) has been used to discover Earth-size planet TOI 700 e. It is "orbiting ...

A new, Earth-sized planet has been discovered only 90 light-years away. In astronomical terms, that’s right next door. Moreover, it may be capable of supporting life thanks to volcanic eruptions ...

Astronomers have discovered an Earth-sized exoplanet orbiting a star with a lifespan 100 times greater than the Sun. Speculoos-3b is 55 light years away – more then 10 times further than the ...

The newfound exoplanet, called Kepler-139f, is a gigantic world roughly twice the mass of Neptune and 35 times the mass of ...

By the next year, Kepler had discovered another planet considered the first near-Earth-size planet in the “habitable zone” around a sun very similar to our star.

The largest piece of Mars ever found on Earth was sold for just over $5 million at an auction of rare geological and ...

The James Webb telescope has made another stunning discovery -- this time of a massive planet that could potentially sustain ...

A new, unseen planet named Kepler-139f has been discovered in the Kepler-139 star system. It's twice as massive as Neptune!

The discovery of Gliese 12 b, a nearby possibly habitable exoplanet, is a thrilling development in the quest to find Earth-like planets and, potentially, extraterrestrial life.

There are water worlds, planets with multiple sunsets, volcanic worlds, rogue worlds, and planets with clouds unlike anything found in Earth's skies.

By the next year, Kepler had discovered another planet considered the first near-Earth-size planet in the “habitable zone” around a sun very similar to our star.