The LHS 1903 system defies expectations with a rocky outer planet, prompting new ideas about how planets form and evolve.

Small, dim, and almost invisible, dwarf spheroidal galaxies are packed to the brim with something we can't see:. They're like ...

In about one out of every 1,000 pregnancies, the neural tube, a key nervous system structure, fails to close properly.

Black holes formed before the Big Bang may still exist as cosmic fossils, offering new clues about dark matter and the origin ...

After two centuries of failed attempts, scientists have finally grown dolomite in the lab, cracking a long-standing ...