Following the light of the sun, we left the Old World.

— Inscription on Columbus' caravels

Astronomy

A Giant Map Shows How DNA Changes as We Age

Scientific American.com - Wed, 09/03/2025 - 8:00am

A map of DNA methylation changes in human organs—from the stomach to the retinas—could help researchers discover more targets for antiaging therapies

Categories: Astronomy

The Local Universe May Be Misleading Cosmologists about Dark Energy and Expansion

Scientific American.com - Wed, 09/03/2025 - 7:30am

Our understanding of cosmology hinges on how well we know our own local universe, which remains poorly mapped and poorly understood

Categories: Astronomy

What to Know about Hurricane Season and Forecast Accuracy

Scientific American.com - Wed, 09/03/2025 - 6:00am

Hurricane forecast maps are more complex than they appear. Understanding them could change how you prepare for the next storm.

Categories: Astronomy

SpaceX launches 24 Starlink satellites to orbit from California on brand-new Falcon 9 rocket

Space.com - Wed, 09/03/2025 - 12:04am
It was the 109th Falcon 9 mission of the year.
Categories: Astronomy

Ancient "Molten Rock Raindrops" Reveal When Jupiter Was Born

Universe Today - Tue, 09/02/2025 - 10:54pm

Hidden within meteorites that fall to Earth are tiny spheres that have puzzled scientists for decades. These mysterious droplets, called chondrules, are time capsules from the birth of our Solar Syste and now, a team from Japan and Italy have used them to pinpoint exactly when Jupiter formed, solving a long standing planetary mystery.

Categories: Astronomy

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APOD - Tue, 09/02/2025 - 8:00pm

That yellow spot -- what is it?


Categories: Astronomy, NASA

Hepatitis B vaccine linked with a lower risk of developing diabetes

New Scientist Space - Cosmology - Tue, 09/02/2025 - 7:01pm
Being vaccinated against hepatitis B may reduce chronic inflammation levels in the body, which could help ward off diabetes
Categories: Astronomy

Hepatitis B vaccine linked with a lower risk of developing diabetes

New Scientist Space - Space Headlines - Tue, 09/02/2025 - 7:01pm
Being vaccinated against hepatitis B may reduce chronic inflammation levels in the body, which could help ward off diabetes
Categories: Astronomy

Trump moves US Space Command to Alabama's 'Rocket City'

Space.com - Tue, 09/02/2025 - 4:35pm
"We love Alabama. I only won it by about 47 points. I don't think that influenced my decision, right?"
Categories: Astronomy

Meet 2025 PN7, Earth’s New Quasi-moon

Sky & Telescope Magazine - Tue, 09/02/2025 - 4:04pm

Just discovered, it’s been orbiting the Sun alongside Earth for decades, and will continue to do so for decades more

The post Meet 2025 PN7, Earth’s New Quasi-moon appeared first on Sky & Telescope.

Categories: Astronomy

Powerball Jackpot Hits $1.7 Billion—But Is Your $2 Bet Worth It?

Scientific American.com - Tue, 09/02/2025 - 3:00pm

Winning more than $1 billion in Powerball is an exciting possibility, but keeping a cool math mind can help you decide whether that opportunity is worth your $2 bet

Categories: Astronomy

Fiber Optics Breakthrough Promises Faster Internet

Scientific American.com - Tue, 09/02/2025 - 2:00pm

A cable design that sends light through air rather than solid glass could cut signal loss and make long-distance transmissions cheaper

Categories: Astronomy

Rapamycin may extend lifespans by protecting against DNA damage

New Scientist Space - Space Headlines - Tue, 09/02/2025 - 1:00pm
The drug rapamycin has been linked to a longer life and we're starting to understand how it might have this effect
Categories: Astronomy

Rapamycin may extend lifespans by protecting against DNA damage

New Scientist Space - Cosmology - Tue, 09/02/2025 - 1:00pm
The drug rapamycin has been linked to a longer life and we're starting to understand how it might have this effect
Categories: Astronomy

The deadliest mushroom, the death cap, is still concocting new poisons

New Scientist Space - Space Headlines - Tue, 09/02/2025 - 12:00pm
Surprising discoveries about the species responsible for 90 per cent of mushroom-related deaths is revealing the fungi kingdom to be even stranger than we had thought
Categories: Astronomy

The deadliest mushroom, the death cap, is still concocting new poisons

New Scientist Space - Cosmology - Tue, 09/02/2025 - 12:00pm
Surprising discoveries about the species responsible for 90 per cent of mushroom-related deaths is revealing the fungi kingdom to be even stranger than we had thought
Categories: Astronomy

7 Vintage Books Science-Minded Readers Will Love Paired with a 2025 Book Recommendation

Scientific American.com - Tue, 09/02/2025 - 12:00pm

A collection of seven book reviews from our archives, each paired with a recently published book we recommend

Categories: Astronomy

Can we finally recycle all of the metal in scrap cars?

New Scientist Space - Space Headlines - Tue, 09/02/2025 - 11:00am
Scrap cars could be used to build new electric vehicles thanks to a new process for turning various aluminium alloys into a strong and mouldable metal
Categories: Astronomy

Can we finally recycle all of the metal in scrap cars?

New Scientist Space - Cosmology - Tue, 09/02/2025 - 11:00am
Scrap cars could be used to build new electric vehicles thanks to a new process for turning various aluminium alloys into a strong and mouldable metal
Categories: Astronomy