Once upon a time, Earth may have sported a planetary ring of its very own ... in sedimentary rocks from this period contain ...

Discovered in Niger in 2023, the rare chunk weighs 54 pounds and represents more than 6 percent of all Mars material on Earth ...

When NASA's DART spacecraft slammed into the asteroid moon Dimorphos in September 2022, it didn't just change the asteroid's ...

The smoking gun of the creation of lithium in explosions on white dwarf stars may have been found, in a spike of gamma rays ...

At 90, the Dalai Lama is still one of the world's most powerful spiritual leaders, writes Pico Iyer. Here’s why.

An initial analysis suggests the object could be a young, cold planet with a temperature near 120 degrees Fahrenheit, NASA ...

Faint booms from space help track incoming debris. But the path matters more than you think. Earth gains a little mass each year as space dust rains down from above, adding thousands of metric tons to ...

James Webb’s mid-infrared vision has likely captured a frigid, Saturn-mass planet shaping the dusty rings around the nearby ...

Researchers identified the likely planetary candidate’s infrared light after blocking out its host star’s overwhelming glare ...

Roughly 35 million years ago, a massive asteroid slammed into the Atlantic Ocean near what’s now the East Coast. The impact ...

It's possible that Mars' moons were originally asteroids that were captured by the planet's gravitational pull. There's also ...

The James Webb Space Telescope has discovered an exoplanet using the direct-imaging technique. The host star's light was ...