By day, Kawah Ijen looks much like any other active volcano. But after sunset, its crater is transformed by electric-blue ...

The deepest hole ever drilled took almost 20 years — and still barely scratched the planet. Now MIT spinout Quaise Energy has ...

Ocean currents are vital for regulating global climate patterns. Scientists are monitoring the Atlantic Meridional ...

Researchers say they’ve confirmed the first atmosphere around a rocky planet in a habitable zone beyond our solar system.

Astronomers have spent years searching for a possible hidden giant planet far beyond Neptune. Unusual orbits among distant Kuiper Belt objects have fueled the Planet Nine theory, but recent ...