In April, scientists captured global attention by announcing they'd found a molecule in a faraway planet's atmosphere that ...

Dark matter is more than five times as abundant as all the visible matter in the universe. So why can't we see any of it?

This image highlights two giant stars, WR 25 and Tr16-244, in the Trumpler 16 cluster, nestled inside the Carina Nebula — a glowing cloud of gas and stars about 7,500 light-years away in the Carina ...