A new study published in the journal Proceedings of the National Academy of Sciences offers an intriguing explanation — and ...

For decades, Uranus baffled scientists because it seemed to have no internal heat. Now, new computer modeling shows the ...

Mercury is tiny, barely bigger than the Moon. Its metallic core makes up 70% of the planet’s mass, vastly exceeding Earth’s ...

A comet traveling outside the solar system and heading toward the Earth is much larger than scientists first believed, a ...

A new study warns of an undiscovered population of asteroids that could strike Earth with little to no warning.

A massive comet traveling through the solar system is much larger than previously thought and could be a remnant of alien ...

How will NASA's upcoming Habitable Worlds Observatory (HWO) mission differentiate Earth-sized exoplanets from other ...

For decades, Mars has been the dream of colonization — but what if NASA and SpaceX are looking at the wrong planet? In this video, we compare Mars to Venus, exploring the pros, cons, and the ...

Hidden barrier found 400 miles inside Venus that blocks rising hot rock and creates ring-shaped volcanic features called ...

Astronomers using the James Webb Space Telescope are unraveling the mysteries of TRAPPIST-1e, an Earth-sized exoplanet 40 ...

Venus is officially a lonely planet. After losing contact with the Akatsuki spacecraft last year, Japan’s space agency (JAXA) ...

The Moon has always been a plain, grayscale, landscape. Its plains and craters offer some variety, but the lunar surface ...