People compare how aliens would reconstruct animals based on their skulls vs. what they really look like (28 pics) About 500 million years ago, not a single creature had a skull. Over time, these bony ...

Interstellar comet 3I/ATLAS is giving astronomers a rare, close look at material that formed far beyond our planetary ...

From volcanic landscapes to world-class observatories, a journey through the Canary Islands reveals a night sky unlike ...