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Astronomy Apr 29, 2024

Q&A: How to catch a glimpse of a new star about to appear in the night sky

If you peer up at the constellation Corona Borealis—the Northern Crown—over the next several months, you may catch a glimpse: Astronomers predict that sometime this year, a new star will appear in the night sky, growing ...

Earth Sciences Apr 29, 2024

China's bid to decarbonize may have hidden costs

Environmentalists rejoiced when China announced its commitment to reach carbon neutrality by 2060, but the decarbonization of China—which emits 27% of global carbon dioxide and a third of the world's greenhouse gases—may ...

Astronomy Apr 29, 2024

America's 'big glass' dominance hangs on the fate of two powerful new telescopes

More than 100 years ago, astronomer George Ellery Hale brought two Pasadena institutions together to build what was then the largest optical telescope in the world. The Mount Wilson Observatory changed the conception of humankind's ...

Astronomy Apr 29, 2024

Revealing the origin of unexpected differences in giant binary stars

Using the Gemini South telescope a team of astronomers have confirmed for the first time that differences in binary stars' composition can originate from chemical variations in the cloud of stellar material from which they ...

Environment Apr 29, 2024

86% of Great Lakes litter is plastic, 20-year study shows: And the plastic is 'just getting smaller and smaller."

Heads down and attentively scanning the ground, a small group of schoolchildren walked through an expanse of grass dotted with yellow dandelions and toward the concrete steps leading to Lake Michigan.

Environment Apr 29, 2024

Red Sea diversions spew carbon emissions equal to 9 million cars

Ships seeking to avoid ongoing attacks by Houthi rebels in the Red Sea area are emitting millions of additional tons of carbon, making it tougher for companies using ocean freight to reduce pollution across their supply chains.

Environment Apr 29, 2024

Chemicals, forever: How do you fix a problem like PFAS?

A landmark legal settlement has once again focused our attention on the dangers of "forever chemicals."

Astronomy Apr 29, 2024

Orion's erupting star system reveals its secrets

An unusual group of stars in the Orion constellation have revealed their secrets. FU Orionis, a double star system, first caught astronomers' attention in 1936 when the central star suddenly became 1,000 times brighter than ...

Earth Sciences Apr 29, 2024

Study provides new global accounting of Earth's rivers

A study led by NASA researchers provides new estimates of how much water courses through Earth's rivers, the rates at which it's flowing into the ocean, and how much both of those figures have fluctuated over time—crucial ...

Planetary Sciences Apr 29, 2024

New study reveals mystery of decaying exoplanet orbits

A new study led by researchers at Durham University has uncovered a novel mechanism that could solve a long-standing mystery about decaying planetary orbits around stars like our sun.

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