How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...

Scientists have been working on ways to find new worlds far from Earth, and this strange method theorized decades ago has ...

Our universe is full of strange and inhospitable worlds, many of which are so terrifying, they would be a nightmare for any form of life to survive. While some planets are too cold, others are ...

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Earth" that is located about 154 light-years away and is nearly twice as big and four times as massive as our planet.

Astronomers have achieved a first in exoplanet hunting by using the Hubble Space Telescope images to investigate a mysterious event that could reveal the existence of a “rogue planet” drifting through ...

In April, scientists announced that they had used NASA’s James Webb Space Telescope to find a potential signature of alien life in the glow of a distant planet. Other scientists were quick to ...

A fluffy, Jupiter-sized planet may be triggering deadly flares from its star, leading to the slow destruction of its own atmosphere.