The universe is like a safe to which there is a combination. But the combination is locked up in the safe.

— Peter De Vries

Astronomy

The Universe's Brightest Flash Reveals the Secrets of Cosmic Jet

Universe Today - Wed, 07/30/2025 - 8:58pm

Scientists studying the brightest gamma ray burst ever recorded have discovered evidence that these explosions produce complex, layered jets rather than simple uniform beams. This remarkable finding helps solve a long standing puzzle about how the universe's most powerful explosions work and opens new possibilities for observing similar events under challenging conditions.

Categories: Astronomy

Ancient Siberian ice mummy is covered in 'really special' tattoos

New Scientist Space - Cosmology - Wed, 07/30/2025 - 8:01pm
Tattoos may have been widespread in prehistory, with scientists discovering a plethora of body art on a pastoralist who died in the 3rd or 4th century BC
Categories: Astronomy

Ancient Siberian ice mummy is covered in 'really special' tattoos

New Scientist Space - Space Headlines - Wed, 07/30/2025 - 8:01pm
Tattoos may have been widespread in prehistory, with scientists discovering a plethora of body art on a pastoralist who died in the 3rd or 4th century BC
Categories: Astronomy

SpaceX, NASA say Crew-11 astronaut mission is 'go' for launch to ISS on July 31

Space.com - Wed, 07/30/2025 - 6:11pm
Mission managers with NASA and SpaceX polled 'go' to proceed with a launch attempt of the Crew-11 astronaut mission to the ISS on Thursday (July 31).
Categories: Astronomy

JWST sees beauty in the death of a star, offers a preview of what's in store for our sun

Space.com - Wed, 07/30/2025 - 6:00pm
The James Webb Space Telescope's investigations of the planetary nebula NGC 6072 suggest a second star played a hand in sculpting the death of the primary star.
Categories: Astronomy

Human milk could help fight infections that endanger pregnancies

New Scientist Space - Cosmology - Wed, 07/30/2025 - 5:45pm
The prebiotic properties of human milk could be harnessed to treat a bacterial strain known to cause problems for immunocompromised people – and trigger premature birth
Categories: Astronomy

Human milk could help fight infections that endanger pregnancies

New Scientist Space - Space Headlines - Wed, 07/30/2025 - 5:45pm
The prebiotic properties of human milk could be harnessed to treat a bacterial strain known to cause problems for immunocompromised people – and trigger premature birth
Categories: Astronomy

'The Fantastic Four: First Steps' is a love letter to the Space Age we always dreamed of

Space.com - Wed, 07/30/2025 - 5:00pm
From rocketships and exoplanets, to FTL and black holes, there's something for every space fan in Marvel's "The Fantastic Four: First Steps."
Categories: Astronomy

Heatstroke and Extreme Heat Exposure Leads to Chronic Health Effects on Kidneys, Heart and Brain

Scientific American.com - Wed, 07/30/2025 - 2:00pm

The immediate harms of extreme heat are well documented, but a growing body of research suggests that heatstroke may have long-term health effects throughout the body

Categories: Astronomy

Why the Tsunami from Russia’s Earthquake Wasn’t as Large as Feared

Scientific American.com - Wed, 07/30/2025 - 12:00pm

Russia’s magnitude 8.8 earthquake spawned serious tsunami warnings, but waves have been moderate so far. Here’s the geological reason why

Categories: Astronomy

Why Dungeons and Dragons Is Good for Your Brain

Scientific American.com - Wed, 07/30/2025 - 11:20am

Researchers and therapists explore the mental health benefits of tabletop role-playing games like Dungeons and Dragons.

Categories: Astronomy

A troubling shift in Europe’s forest carbon balance

ESO Top News - Wed, 07/30/2025 - 11:00am

Europe’s forests play a crucial role in removing carbon dioxide from the atmosphere, but research led by the European Commission’s Joint Research Centre has found their capacity to absorb carbon dioxide has declined in the past decade.

Categories: Astronomy

Russia’s Magnitude 8.8 Earthquake Ranks among 10 Strongest

Scientific American.com - Wed, 07/30/2025 - 10:34am

Russia’s earthquake was estimated at magnitude 8.8, among the strongest since scientists began monitoring

Categories: Astronomy

Webb traces details of complex planetary nebula

ESO Top News - Wed, 07/30/2025 - 10:00am

More than one star contributes to the irregular shape of NGC 6072 – Webb’s newest look at this planetary nebula in the near- and mid-infrared shows what may appear as a very messy scene resembling splattered paint. However, the unusual, asymmetrical scene hints at more complicated mechanisms underway, as the star central to the scene approaches the very final stages of its life and expels shells of material, losing up to 80 percent of its mass.

Categories: Astronomy

U.S. Nuclear Energy Policy Could Accelerate Weapons Proliferation

Scientific American.com - Wed, 07/30/2025 - 9:30am

The White House has now fully embraced bomb-prone nuclear fuel technology. This should stop before an arms race, atomic terrorism or even nuclear war results

Categories: Astronomy

Hidden Greenland Lake Punches through Giant Blocks of Ice in ‘Extremely Surprising’ Event

Scientific American.com - Wed, 07/30/2025 - 9:29am

Water usually flows downward, but something strange happened under Greenland’s ice sheet when a deluge punched through the surface to scour an area nearly twice the size of New York’s Central Park

Categories: Astronomy

Jigsaws: SciAm Cover Art

Scientific American.com - Wed, 07/30/2025 - 9:00am

Explore Scientific American’s most fascinating magazine covers

Categories: Astronomy

Science Quiz: Doing a 180

Scientific American.com - Wed, 07/30/2025 - 9:00am

Put your science knowledge to the test with this week’s news quiz. Play now.

Categories: Astronomy

Neurotic Cats, One-Eyed Aliens and Hypnosis for Liars Are among the Historical Gems Reported in Scientific American

Scientific American.com - Wed, 07/30/2025 - 9:00am

Dive into the quirkiest and most fascinating tales from Scientific American’s 180-year archive

Categories: Astronomy

Satellite Constellations Are Too Bright for Astronomy

Sky & Telescope Magazine - Wed, 07/30/2025 - 9:00am

The International Astronomical Union has recommended brightness limits for satellites, but companies aren't abiding by them.

The post Satellite Constellations Are Too Bright for Astronomy appeared first on Sky & Telescope.

Categories: Astronomy