An analysis of a 700-year-old ring reveals a unique reddish-purple sapphire set in 18-karat gold with a lion decoration.

Record carbon emissions mean that the planet's carbon budget could be exceeded in as little as three years, according to a ...

The test, performed by the U.S. military's Defense Advanced Research Projects Agency (DARPA) as part of its Persistent ...

Looking to inspire the next generation of curious minds? These are our picks of the best popular science books for children ...

Weather forecasters have warned of extreme and dangerous temperatures as a major heat wave sweeps across the central and eastern U.S. states.

NordVPN offers a number of different price plans with varying features and benefits so you can pick the level of protection ...

Using a notion called integer partitions, mathematicians have discovered a new way to detect prime numbers while also ...

Ketamine leads to increased communication between areas of the brain that don't typically engage with each other, new ...

Archaeologists found thousands of pieces of an ancient Roman painting, which features intricate designs and ancient graffiti.

A superbright Mars is currently visible alongside Regulus, the "Heart of the Lion" star located around 79 light-years from ...

When invisible dark matter spins, it may form clumps of "vortexes" that stretch across space, forming the cosmic web that ...

According to a new study in rats, a key byproduct of acetaminophen, called AM404, may block pain at the source before it has ...