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 ...