These earthly godfathers of Heaven's lights, that give a name to every fixed star, have no more profit of their shining nights than those that walk and know not what they are.

— William Shakespeare

Astronomy

Artemis II Crew Practices Night Launch Scenario

NASA Image of the Day - Mon, 08/18/2025 - 11:54am
NASA astronauts Christina Koch, Artemis II mission specialist, and Victor Glover, Artemis II pilot, walk on the crew access arm of the mobile launcher in the Vehicle Assembly Building at NASA’s Kennedy Space Center in Florida on Tuesday, Aug. 12, 2025.
Categories: Astronomy, NASA

These Seabirds’ Pooping Habits Shock Scientists

Scientific American.com - Mon, 08/18/2025 - 11:00am

The first detailed observation of the bathroom habits of Streaked Shearwaters at sea leave scientists with a surprising load of questions

Categories: Astronomy

Laboratory Microbes Put Chocolate Flavors under Scientists’ Control

Scientific American.com - Mon, 08/18/2025 - 11:00am

From hints of citrus to caramel, premium chocolate’s complex flavors derive from fermenting microbes on cocoa bean farms—and a new study suggests they can be grown on demand in the lab

Categories: Astronomy

We're within 3 years of reaching a critical climate threshold. Can we reverse course?

Space.com - Mon, 08/18/2025 - 11:00am
A report published in June found that the world only has three years before it crosses the 1.5 C climate target. So what should we do now?
Categories: Astronomy

Can Cosmic Rays Help Alien Life Thrive?

Scientific American.com - Mon, 08/18/2025 - 10:00am

Beneath the surfaces of distant planets, microbes might subsist on harsh radiation rather than starlight, a new study suggests

Categories: Astronomy

SpaceX's Super Heavy booster will fly with fresh 'grid fins' | Space photo of the day for Aug. 18, 2025

Space.com - Mon, 08/18/2025 - 10:00am
Like birds returning to their nests, these feather-like grid fins help steer rockets back down through the atmosphere toward their landing zones.
Categories: Astronomy

Northern lights may be visible in these 10 states overnight Aug. 19-20

Space.com - Mon, 08/18/2025 - 9:41am
Auroras may be visible from Alaska to Washington as an incoming speedy solar wind could spark geomagnetic storm conditions overnight.
Categories: Astronomy

Quantum device detects all units of electricity at once

New Scientist Space - Cosmology - Mon, 08/18/2025 - 9:00am
Defining the fundamental units of electricity used to require two finicky quantum devices – but now scientists have found an easier way to standardise our electrical measurements
Categories: Astronomy

Quantum device detects all units of electricity at once

New Scientist Space - Space Headlines - Mon, 08/18/2025 - 9:00am
Defining the fundamental units of electricity used to require two finicky quantum devices – but now scientists have found an easier way to standardise our electrical measurements
Categories: Astronomy

Saturn’s Moon Enceladus Might Have Weird “Space Rainbows”

Sky & Telescope Magazine - Mon, 08/18/2025 - 9:00am

Scouring old data from NASA’s Cassini mission revealed puzzling atmospheric stripes that could help probe Saturn’s icy moon.

The post Saturn’s Moon Enceladus Might Have Weird “Space Rainbows” appeared first on Sky & Telescope.

Categories: Astronomy

Rare 'triple-dip' La Niña may explain why 2023 was so hot

New Scientist Space - Cosmology - Mon, 08/18/2025 - 8:00am
The record-breaking global temperatures seen in late 2023 may have emerged partly because of unusual conditions in the Pacific Ocean in the preceding years
Categories: Astronomy

Rare 'triple-dip' La Niña may explain why 2023 was so hot

New Scientist Space - Space Headlines - Mon, 08/18/2025 - 8:00am
The record-breaking global temperatures seen in late 2023 may have emerged partly because of unusual conditions in the Pacific Ocean in the preceding years
Categories: Astronomy

Hubble telescope uncovers rare star born from cosmic collision: 'A very different history from what we would have guessed'

Space.com - Mon, 08/18/2025 - 8:00am
"It's a discovery that underlines things may be different from what they appear to us at first glance."
Categories: Astronomy

What New Human Ancestor Has Been Discovered, and How a Virus Outbreak in China Could Reach the U.S.

Scientific American.com - Mon, 08/18/2025 - 6:00am

China is having a fast-rising chikungunya outbreak in a place that has never had one before.

Categories: Astronomy

Don't miss Mercury, the moon and the Beehive Cluster align in a special August morning sky show

Space.com - Mon, 08/18/2025 - 6:00am
A rare August morning alignment brings Mercury, a thin crescent moon and the Beehive Cluster together in the predawn sky. Here's how you can see it for yourself.
Categories: Astronomy

Jupiter's moon Ganymede could be a giant dark matter detector

New Scientist Space - Space Headlines - Mon, 08/18/2025 - 4:00am
Large dark matter particles hitting Jupiter’s largest moon would form distinctive craters in its icy surface, and upcoming space missions might be able to spot them
Categories: Astronomy

Jupiter's moon Ganymede could be a giant dark matter detector

New Scientist Space - Cosmology - Mon, 08/18/2025 - 4:00am
Large dark matter particles hitting Jupiter’s largest moon would form distinctive craters in its icy surface, and upcoming space missions might be able to spot them
Categories: Astronomy

Covid-19 seems to age blood vessels – but only among women

New Scientist Space - Cosmology - Sun, 08/17/2025 - 8:05pm
Women's arteries seem to be stiffer if they have had covid-19, with the same effect not being found among men
Categories: Astronomy

Covid-19 seems to age blood vessels – but only among women

New Scientist Space - Space Headlines - Sun, 08/17/2025 - 8:05pm
Women's arteries seem to be stiffer if they have had covid-19, with the same effect not being found among men
Categories: Astronomy