Their species name is well known, but until recently we’ve understood very little for certain about Homo habilis. Columnist ...

Mars Materials, a US-based startup developing a CO₂-derived route to acrylonitrile, will be among the companies featured in ...

Millions of years ago, some prehistoric otters grew far larger than any species alive today. Fossils of the giant otter Siamogale show a powerful predator with jaws capable of crushing hard shells and ...

What turns an oddly patterned Martian rock into one of the most watched clues in planetary science? For NASA’s Perseverance ...

Geological features like these provide evidence that Mars once had a denser atmosphere and significant surface water — ...