Fresh orbital images and new geological analysis have revealed eight mysterious caves on Mars that appear unusually well ...

Astronomers have spotted a Saturn-sized world drifting through a region of space that theory once said should be almost empty ...

Until now, scientists believed that Mars’ skylights – pits in the surface of mars – were formed by volcanic activity. But ...

"Star Trek" is home to countless alien species, many of whom offer beloved characters. Some are not. We rank the 10 most ...

In July, researchers using the NASA-funded Asteroid Terrestrial-impact Last Alert System survey telescope in Chile made an ...

New images from NASA 's Hubble Space Telescope have revealed an enormous, oddly shaped disk of gas and dust around a single ...

Mars. From forming black holes to phantom dark energy, discover the cosmic mysteries astronomers uncovered last year.

Harvard's Avi Loeb argues 3I/ATLAS shows signs of alien technology, from its 0.2% probability flight path to bizarre metal ...

With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

That’s when Cathedral Gorge State Park calls your name – a slice of otherworldly serenity tucked away in Panaca, Nevada that feels like it exists in its own dimension. These towering spires could ...

A team of astronomers have used the Hubble space telescope to capture with direct imaging asteroids smashing into each other ...

A bumpy snailfish, Andean mouse opossum and ancient sea cow were just some of the many species described in 2025.