Traces of color preserved in the stone are changing how historians understand what was lost when Alexander burned Persepolis.

U.S. forests have stored unprecedented levels of carbon in recent years, driven by a mix of climate forces and human land-use ...

Seven cheetah mummies recently discovered in an Arabian desert cave have renewed discussion about reintroduction of the ...

Beluga whales avoid inbreeding by switching partners over time, helping a small, isolated population stay genetically healthy ...

New research shows ancient tropical oceans once held more oxygen than cooler regions, reshaping where early life could ...

Daily routines change, and many older adults find that learning new processes becomes more difficult over time. Slower ...

Earth’s atmosphere is slowly leaking into space, and new research shows some of it reaches the Moon, where it may be ...

Repeated flower designs on ancient pottery hint that early village life relied on counting and shared ideas way before math ...

A century of plant species discoveries in China reveals a hidden bias that could affect global plant conservation.

Diabetes remission is defined as achieving an HbA1c (average blood sugar) level of less than 6.5 percent for at least one ...

A shy, ferret-sized predator called the coastal marten has been quietly hanging on in the forests of southern Oregon and northern California.

Tiny self-propelled nanorobots use body chemistry to navigate directly to tumors and deliver cancer drugs more effectively.