Mars is home to perhaps the greatest mystery of the solar system: the so-called Martian dichotomy, which has baffled scientists since it was discovered in the 1970s.

In an era of town-torching megablazes spewing smoke plumes visible from space, scientists say there is still a lot they don't know about the effects of extreme fire on people, nature and the climate.

In 333 BCE, near the small Pinarus River along the modern-day borders of Turkey and Syria, a fierce battle took place between ...

Freshwater ecosystems cover less than 1% of Earth's surface, but are vital for life on this planet. New research reveals that ...

The size of the Antarctic ice sheet can be hard to comprehend. Two kilometers thick on average and covering nearly twice the ...

Carbon dioxide in the atmosphere is increasing at rates that are incompatible with staying below 1.5 degrees Celsius (34.7 ...

This week, scientists with Woods Hole Oceanographic Institute reported that a key current, the Atlantic Meridional ...

Salt pollution in freshwater is a growing global concern. Excessive salt harms plants, degrades soil, and compromises water ...

A team of chemical, industrial and biotechnical engineers affiliated with several institutions in China has developed a ...

Two wildfires still burning in Los Angeles have torched more urban area than any other fire in the state since at least the ...

A doorbell camera on a Canadian home captured rare video and sound of a meteorite striking Earth as it crashed into a ...

The United States on Friday grounded SpaceX's Starship and ordered Elon Musk's company to investigate why the spaceship ...