UFO galaxies are big, red and really dusty and can only be seen in infrared light, with NASA’s James Webb Space Telescope ...

The spacecraft—humanity's most distant probe—managed to resumed contact by switching to a secondary radio not used since 1981 ...

Asteroid 2022 WJ1 was just 20 inches wide, the smallest measured. It exploded in a green fireball visible across Ontario and ...

A volcanic fissure once again burst open near Iceland's Blue Lagoon, a popular geothermal spa, on Nov. 20, 2024. This ...

NASA has identified an asteroid rich in valuable metals like gold and platinum. Named 16 Psyche, the asteroid holds such an ...

An asteroid that fell to Earth and exploded above Canada in 2022 was only around 20 inches wide — the smallest space rock ...

Deep beneath Greenland's ice, NASA radar happened upon Camp Century, a long-lost Cold War base now buried under 100 feet of ...

In How to Kill an Asteroid, Robin George Andrews looks at the successes and shortcomings of planetary defense.

Currently, more than 2 million miles away, the object is too small and faint to see without a powerful telescope.

WB—is estimated to be between 240 and 525 feet across and will pass us at about twice the distance between the Earth and moon ...

A sample of the asteroid Ryugu returned to Earth by the Hayabusa2 mission was rapidly colonized by terrestrial microorganisms ...

Scientists have found microorganisms crawling over a sample retrieved from the 200 million-mile-distant asteroid Ryugu. But ...