Phys.org news

Phys.org / Tropical insects may be running out of room as temperatures rise

New research from Costa Rica's Área de Conservación Guanacaste (ACG) suggests that tropical insects may be vulnerable to rising temperatures. The study, published in the Proceedings of the National Academy of Sciences, examined ...

3 hours ago
Phys.org / Evidence of giant rings in Venus's atmosphere uncovered in archived observations

In 2010, scientists waiting to use the William Herschel Telescope in the Canary Islands captured a brief 36 minutes of images of Venus. They were waiting for the sun to set so they could look at distant stars and dust disks ...

5 hours ago
Phys.org / Mesolithic hunter-gatherers on Malta relied on repeated sea crossings, study suggests

The existence of humans on Malta, a tiny Mediterranean island, during the Mesolithic period is puzzling. Archaeological evidence indicates that foragers occupied the Maltese islands between 8,500 and 7,500 years ago, and ...

3 hours ago
Phys.org / Small ants that evict coffee pests may gain reproductive boost while protecting crops

Ants are known allies in the fight against coffee pests known as coffee berry borers. Now, a discovery made by Jonathan "Jonno" Morris while he was a University of Michigan graduate student has revealed there may be a new ...

3 hours ago
Phys.org / Ultracold neutrons don't disappear into the mirror world

For decades, a theory in physics has postulated the existence of a mirror world whose interaction with our own reality is extremely feeble. The particles in this mirror universe are also thought to be candidates for dark ...

4 hours ago
Phys.org / 'Rivers in the sky' influence marine heat waves

Long, narrow bands of moving moisture in the sky, known as atmospheric rivers, contribute to heat waves in the marine environment, according to a new study published in Nature Communications by researchers from Duke University's ...

4 hours ago
Phys.org / Tabby's star may be orbited by a planetary-mass companion

By analyzing data from NASA's Transiting Exoplanet Survey Satellite (TESS) and conducting new radial velocity measurements, U.K. and French astronomers have found evidence that the mysterious Tabby's star may be orbited by ...

7 hours ago
Phys.org / New Ribo-Tweezer tool can pluck individual protein pieces out of a working ribosome

Every human cell has millions of ribosomes that make proteins. For decades, biologists thought of ribosomes as tiny, uniform machines. But now a Stanford Medicine team is showing that ribosomes are much more interesting and ...

7 hours ago
Phys.org / AI models explain 17% of earnings-day stock moves, up from 5%

To explain the stock market's reaction to earnings results, investors and other market participants have used a standard tool for decades: the earnings surprise.

9 hours ago
Phys.org / US residents near small rivers face disproportionately high future flood risks

An international team, including Kumamoto University and its partner institutions, has found severe flood risks and high climate-adaptation costs for U.S. small rivers.

4 hours ago
Phys.org / Chicxulub's lingering dust may have turned falling debris into a global firestorm

Sixty-six million years ago, the six-mile-wide (10-kilometer-wide) Chicxulub asteroid crash-landed in Mexico's Yucatán Peninsula and changed life on Earth forever. The reign of the dinosaurs ended, and only creatures that ...

8 hours ago
Phys.org / More evidence Mars once had water emerges from old Spirit rover data

More than 20 years after NASA's Spirit rover landed on Mars, a researcher from Edith Cowan University (ECU) has uncovered new evidence that suggests water may once have covered large parts of the red planet.

8 hours ago