Earth Sciences Mar 5, 2024

The Arctic could become 'ice-free' within a decade, say scientists

The Arctic could see summer days with practically no sea ice as early as the next couple of years, according to a new study out of the University of Colorado Boulder.

Archaeology Mar 6, 2024

Ancient stone tools found in Ukraine date to over 1 million years ago, and may be oldest in Europe

Ancient stone tools found in western Ukraine may be the oldest known evidence of early human presence in Europe, according to research published Wednesday in the journal Nature.

Space Exploration Mar 6, 2024

SpaceX eyes March 14 for next Starship test launch

Elon Musk's SpaceX on Wednesday announced it was eyeing March 14 as the earliest date for the next test launch of its giant Starship rocket, with which it hopes to one day colonize Mars.

Paleontology & Fossils Mar 6, 2024

New analysis uncovers major issues with earlier suggestions that Spinosaurus pursued prey underwater

For years, controversy has swirled around how a Cretaceous-era, sail-backed dinosaur—the giant Spinosaurus aegyptiacus—hunted its prey. Spinosaurus was among the largest predators ever to prowl the Earth and one of the ...

Environment Mar 2, 2024

'Very worried': Scientists fret as Antarctic sea ice dwindles

Sea ice levels in Antarctica have registered historic lows for three consecutive years, portending grave consequences for life on Earth as we know it.

Astronomy Mar 4, 2024

'Zero chance' infamous Apophis collides with another asteroid, redirects to Earth

When it was first discovered in 2004, Apophis was identified as one of the most dangerous asteroids in that there was a risk that it could impact Earth. But that impact assessment changed over the years after astronomers ...

Plants & Animals Mar 6, 2024

Invasive plant time bombs: A hidden ecological threat

Invasive plants can stay dormant for decades or even centuries after they have been introduced into an environment before rapidly expanding and wreaking ecological havoc, according to a new study led by the University of ...

Environment Mar 5, 2024

Opinion: Why hosting an Olympics competition in Tahiti is a really bad idea

Last year, the International Olympic Committee announced that the South Pacific island of Tahiti will host the two-day surfing competition for the 2024 Paris Summer Games. The site in question, Teahupo'o, is revered among ...

General Physics Feb 29, 2024

Conduction-cooled accelerating cavity proves feasible for commercial applications

From televisions to X-ray machines, many modern technologies are enabled by electrons that have been juiced up by a particle accelerator. Now, the U.S. Department of Energy's Thomas Jefferson National Accelerator Facility ...

Condensed Matter Mar 5, 2024

One way to improve a fusion reaction: Use weaknesses as strengths

In the Japanese art of Kintsugi, an artist takes the broken shards of a bowl and fuses them back together with gold to make a final product more beautiful than the original.

page 28 from 40