Don’t miss this deep dive into places on Earth that we’re still not sure really exist, including mysterious islands that ...

Whether these questions will be answered remains to be seen, but given how they’ve remained mysteries for so long, chances ...

Astronomers announced the discovery of a starless cloud of hydrogen gas, a pristine relic of the cosmos that is almost as old ...

Astronomers have revealed a new type of cosmic object called Cloud-9 — a dim, starless gas cloud anchored by a massive dark ...