Since 1978, China has planted more than 66 billion trees along its 2,800-mile-long northern border, and it wants to plant 34 ...

A black hole 30 million times the mass of the sun has produced winds one-fifth the speed of light, stunning scientists.

Researchers using the James Webb Space Telescope spotted huge stars leaking nitrogen in an early galaxy, hinting that such ...

Clocks on Mars tick faster by about 477 microseconds each Earth day, a new study suggests. This difference is significantly ...

The novel 3D wiring architecture and chip fabrication method enable quantum processing units containing 10,000 qubits to fit ...

People with anxiety or insomnia tend to have weaker immunity. The decline of a key immune cell may be a culprit.

There are eye-opening claims that orcas and dolphins are working together on salmon hunts and sharing food — but not everyone is convinced.

When is winter? Weather forecasters in the Northern Hemisphere will tell you Dec. 1 through the end of February, which is ...

A strange X-ray signal spotted decades ago may be the result of a star that got attacked by two black holes, one after the ...

The Amazon rainforest currently has a few days or weeks of hot drought conditions per year, but researchers say this could ...

The bright binary star system V Sagittae will flare up multiple times before finally going supernova within the next 100 ...

A 1956 eruption collapsed much of the Bezymianny volcano in Kamchatka, Russia, but frequent eruptions since — including a ...