Pollution facts and types of pollution By Alina Bradford last updated 22 March 23 The different ways that the environment gets contaminated.
Watch 1st aerial footage of gigantic, breakaway Antarctic iceberg the size of Los Angeles By Harry Baker published 20 March 23 Researchers from the British Antarctic Survey recently captured the first close-up video of A81, an enormous iceberg that broke off the Brunt Ice Shelf in January.
World must act now to defuse 'climate time bomb,' UN scientists warn By Ben Turner published 20 March 23 The UN's final IPCC report warns that drastic action must be taken immediately, but staving off disaster is within humanity's grasp.
Equinox: Definition, facts & what happens during one By Sarah Wild last updated 17 March 23 REFERENCE Equinoxes occur twice a year when the sun is directly above the equator, and herald the beginning of spring and autumn.
Watch 'unprecedented' animation showcasing 100 million years of Earth history By Stephanie Pappas published 16 March 23 A new model shows how the planet's surface evolved over the past 100 million years, from the shifting of tectonic plates to the movement of sediments.
Oops, this 300 million-year-old 'blob' fossil was upside down. It's not a jellyfish after all. By Cameron Duke published 16 March 23 Famous 'jellyfish' fossil from 300 million years ago was upside-down the whole time. It's actually another animal entirely.
Deadly cyclone 'Freddy' may be the longest-lived and most energetic storm ever recorded By Harry Baker published 15 March 23 Cyclone Freddy, which is finally dissipating after battering Southeast Africa, has crossed the entire Indian Ocean and made landfall three separate times.
One of Earth's biggest mass extinctions caused by rising sea levels in eerie echo of today By JoAnna Wendel published 14 March 23 In samples of organic-rich black shale, scientists found evidence for oxygen depletion and hydrogen sulfide expansion in ancient seas.
How deep is the Mariana Trench? By Charles Q. Choi published 11 March 23 The bottom of the Mariana Trench is about 35,876 feet (10,935 meters) deep, making it deeper than Mount Everest is tall.
Daylight saving time 2023: When does the time change? By Jeanna Bryner published 8 March 23 Here's a look at when the time changes for daylight saving time and who instituted daylight savings in the first place.
Scientists discover enzyme that can turn air into energy, unlocking potential new energy source By Ben Turner published 8 March 23 A relative of the tuberculosis bacterium has long been known to convert hydrogen from the air into electricity. Now, scientists have discovered how.
Antarctica's sea ice reaches its lowest level since records began, for the 2nd year in a row By Harry Baker published 8 March 23 Antarctica's sea ice recently shrank to its lowest extent since satellite records began more than 40 years ago.
Scientists solve mystery behind strange honeycomb pattern in salt deserts By Sascha Pare published 7 March 23 Physicists have finally uncovered the mechanism behind the spectacular patchwork of hexagons on salt flats. The answer lies hidden beneath the crust and works like a donut-shaped radiator.
450-mile-wide solid metal ball forms Earth's innermost core, earthquake waves reveal By JoAnna Wendel published 24 February 23 Scientists calculated the diameter of Earth's innermost core using earthquake waves that bounced through the planet 'like ping-pong balls.'
Can you see Earth spin? By Elizabeth Rayne published 20 February 23 You can't watch Earth spin in real time because it rotates so slowly, but there are ways to see the effects of the planet's rotation.
Plants 'slept' with curled leaves 250 million years ago, ancient insect bites reveal By Joshua A. Krisch published 16 February 23 Leaves from the Permian period curled up at night, fossils of symmetrical insect bites show.
World's deadliest mushroom conquered California with a clone army, study reveals By Ben Turner published 15 February 23 The death cap mushroom accounts for more than 90% of worldwide mushroom-related deaths. Its ubiquitous spread could be down to a weird genetic cloning trick.
Doomsday Glacier is melting slower than previously thought — but it's still in big trouble By Stephanie Pappas published 15 February 23 Thwaites Glacier in West Antarctica, known as the Doomsday Glacier for the role its melt could play in global sea level rise, is melting more slowly than previously estimated, new research finds. But the glacier is still in trouble.
What energy source sparked the evolution of life? By JoAnna Wendel published 12 February 23 Leading theories suggest that the first energy used by life was either from the sun or from geothermal heat and chemistry at the bottom of the ocean.
Earth's mantle has a gooey layer we never knew about By Stephanie Pappas published 10 February 23 While the mantle is mostly solid, a layer about 93 miles (150 kilometers) down is melty, new research finds.
