Plant fossils that may be a million years old hint that Greenland's icy shell melted away more recently than expected — and could melt again.
The chemicals that tore a hole in the ozone layer are set to make a comeback in the late 21st century, in a process accelerated by climate change.
Enormous, shadowy figures in hats and cloaks have haunted the California coast for more than 300 years. What are they?
Beijing and northern China have been hit with one of the worst sandstorms in decades which has increased air pollution concentrations to dangerous levels.
Here's everything you've ever wanted to know about daylight saving time (often misspelled as "savings"), including times, dates, its history and more.
If humans don't curb climate change, the average summer could last 6 months long by the year 2100, a new study finds.
Scientists have identified the 19th form of water ice. The exotic, four-sided crystals of this rare ice variety, now dubbed ice XIX, form at ultra-low temperatures and ultra-high pressures.
Saudi Arabia's proposed linear city relies on technology that doesn't exist yet and on a design idea that has failed in the past.
Earth may have a layer no one knew about, an inner-inner core where something is different in the structure of solid iron.
A swarm of more than 20,000 earthquakes has rattled southern Iceland this week, and geologists suspect a volcanic eruption is on the way.
Astrophysicists have a wild idea to explain the bizarre abundance of super-high-energy radiation shooting from the center of our galaxy: gravity portals.
The Gulf Stream, one of Earth's major climate-regulating currents, is flowing slower now than it has in 1600 years. Climate change could kill it.
An meteor breaking apart as it entered the atmosphere above the U.K. might be the most well documented fireball meteor ever seen.
Mount Etna, Europe's most active volcano, has been erupting for nearly two weeks straight, and the photos are stunning.
This dramatic breakup comes after a major crack formed on the shelf in November 2020 and continued to grow.
A new study reveals pirate attacks are more common in waters experiencing destructive and illegal fishing, suggesting the two may be linked.