Once pushed to the brink, giant tortoises on a Seychelles atoll now outnumber the country’s people, with a new survey estimating…

One of the world’s rarest rhinos faces a devastating problem: finding another of its kind before it is too late. Small,…

Electrons inside a diamond have given a floating, centimeter-sized device a quantum nudge, opening a new path toward testing how quantum…

Modeling suggests Mars’s Arsia Mons cloud may form ice without dust, pointing to a process never before observed in a planetary…

With roughly ten times as many gas filaments now resolved, the supernova remnant Pa 30 could guide searches for other stellar…

People with type 2 diabetes and highly variable systolic blood pressure had nearly triple the death risk of those with normal…

Mice kept more brain tissue and performed better on a memory test after researchers blocked an immune attack, without removing the…

A sugar in red meat that the human body recognizes as foreign may help explain the food’s link to type 2…