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Astronomy 13 hours ago

International team detects eruption of mega-magnetic star in nearby galaxy

While ESA's satellite INTEGRAL was observing the sky, it spotted a burst of gamma-rays—high-energy photons—coming from the nearby galaxy M82. Only a few hours later, ESA's XMM-Newton X-ray space telescope searched for ...

Planetary Sciences 15 hours ago

Researchers find oldest undisputed evidence of Earth's magnetic field

A new study, led by the University of Oxford and MIT, has recovered a 3.7-billion-year-old record of Earth's magnetic field, and found that it appears remarkably similar to the field surrounding Earth today. The findings ...

Earth Sciences 13 hours ago

Airborne observations of Asian monsoon sees ozone-depleting substances lofting into the stratosphere

Powerful monsoon winds, strengthened by a warming climate, are lofting unexpectedly large quantities of ozone-depleting substances high into the atmosphere over East Asia, new research shows.

Space Exploration 20 hours ago

Japan's moon lander wasn't built to survive a weekslong lunar night. It's still going after 3

Japan's first moon lander has survived a third freezing lunar night, Japan's space agency said Wednesday after receiving an image from the device three months after it landed on the moon.

Astronomy 9 hours ago

See the Southern Ring Nebula in 3D

Planetary nebula are some of nature's most stunning visual displays. The name is confusing since they're the remains of stars, not planets. But that doesn't detract from their status as objects of captivating beauty and intense ...

General Physics Apr 23, 2024

How light can vaporize water without the need for heat

It's the most fundamental of processes—the evaporation of water from the surfaces of oceans and lakes, the burning off of fog in the morning sun, and the drying of briny ponds that leaves solid salt behind. Evaporation ...

Astronomy Apr 23, 2024

Astrophysicists work toward unification of turbulence framework—weak-to-strong transition discovered in turbulence

Turbulence is ubiquitous in nature. It exists everywhere, from our daily lives to the distant universe, while being labeled as "the last great unsolved problem of classical physics" by Richard Feynman. Prof. Dr. Huirong Yan ...

Plasma Physics Apr 23, 2024

Record electron temperatures for a small-scale, sheared-flow-stabilized Z-pinch fusion device achieved

In the nine decades since humans first produced fusion reactions, only a few fusion technologies have demonstrated the ability to make a thermal fusion plasma with electron temperatures hotter than 10 million degrees Celsius, ...

Environment Apr 23, 2024

Laser-treated cork absorbs oil for carbon-neutral ocean cleanup

Oil spills are deadly disasters for ocean ecosystems. They can have lasting impacts on fish and marine mammals for decades and wreak havoc on coastal forests, coral reefs, and the surrounding land. Chemical dispersants are ...

Astronomy Apr 23, 2024

Hubble celebrates 34th anniversary with a look at the little dumbbell nebula

In celebration of the 34th anniversary of the launch of NASA's legendary Hubble Space Telescope on April 24, astronomers took a snapshot of the Little Dumbbell Nebula (also known as Messier 76, M76, or NGC 650/651) located ...

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