The space of night is infinite,
The blackness and emptiness
Crossed only by thin bright fences
Of logic

— Kenneth Rexroth
"Theory of Numbers"

Astronomy

The Hype behind Expensive Probiotic Supplements

Scientific American.com - Tue, 12/16/2025 - 6:00am

Popular supplements with billions of “good” microbes really help only a few illnesses, research shows

Categories: Astronomy

Meet Your Future Robot Servants, Caregivers and Explorers

Scientific American.com - Tue, 12/16/2025 - 6:00am

Robots are poised to play a much bigger role in daily life at home, at work and in the world

Categories: Astronomy

Science Crossword: Pointing South

Scientific American.com - Tue, 12/16/2025 - 6:00am

Play this crossword inspired by the January 2026 issue of Scientific American

Categories: Astronomy

What Your Sleep Profile Reveals about Your Health

Scientific American.com - Tue, 12/16/2025 - 6:00am

Psychological data and brain scans show how sleep can improve our lives, our bodies and our relationships

Categories: Astronomy

January 2026: Science History from 50, 100 and 150 Years Ago

Scientific American.com - Tue, 12/16/2025 - 6:00am

Killer bees; Mars volcanoes

Categories: Astronomy

Mysterious Bright Flashes in the Night Sky Baffle Astronomers

Scientific American.com - Tue, 12/16/2025 - 6:00am

Celestial transients shine furiously and briefly. Astronomers are just beginning to understand them

Categories: Astronomy

Saturn's rings form a giant dusty doughnut encircling the planet

New Scientist Space - Cosmology - Tue, 12/16/2025 - 3:00am
The rings of Saturn are normally thought to be flat, but measurements by the Cassini spacecraft show that some of their particles fly hundreds of thousands of kilometres above and below the thin main discs
Categories: Astronomy

Saturn's rings form a giant dusty doughnut encircling the planet

New Scientist Space - Space Headlines - Tue, 12/16/2025 - 3:00am
The rings of Saturn are normally thought to be flat, but measurements by the Cassini spacecraft show that some of their particles fly hundreds of thousands of kilometres above and below the thin main discs
Categories: Astronomy

Your period may make sport injuries more severe

New Scientist Space - Cosmology - Tue, 12/16/2025 - 12:00am
Professional football players who became injured while on their period took longer to recover than when injuries occurred at other times of their menstrual cycle
Categories: Astronomy

Your period may make sport injuries more severe

New Scientist Space - Space Headlines - Tue, 12/16/2025 - 12:00am
Professional football players who became injured while on their period took longer to recover than when injuries occurred at other times of their menstrual cycle
Categories: Astronomy

China's Shenzhou-21's Crew Test New Spacesuits During Spacewalk

Universe Today - Mon, 12/15/2025 - 5:40pm

The Shenzhou-21 crew on board China's orbiting space station completed its first extravehicular activities on Tuesday, Dec. 9th, during which they validated the new EVA spacesuits.

Categories: Astronomy

Uranus and Neptune might be rock giants

Universe Today - Mon, 12/15/2025 - 4:09pm

A team of researchers from the University of Zurich and the NCCR PlanetS is challenging our understanding of the interior of the Solar System's planets. The composition of Uranus and Neptune, the two outermost planets, might be more rocky and less icy than previously thought.

Categories: Astronomy

RNA May Be Common throughout the Cosmos, New Study Suggests

Scientific American.com - Mon, 12/15/2025 - 3:00pm

New experiments show how RNA might form not just on Earth but on other rocky planets, too

Categories: Astronomy

It Didn't Take Long For Earth's Ancient Oceans To Become Oxygenated

Universe Today - Mon, 12/15/2025 - 2:51pm

For roughly two billion years of Earth’s early history, the atmosphere contained no oxygen, the essential ingredient required for complex life. Oxygen began building up in the atmosphere during the period known as the Great Oxidation Event (GOE), but it had to enter the oceans first. When and how it first entered the oceans has remained uncertain.

Categories: Astronomy

Mars MAVEN Mission May Be Lost in Space

Sky & Telescope Magazine - Mon, 12/15/2025 - 12:57pm

NASA is working to restore communications with its MAVEN Mars Orbiter mission.

The post Mars MAVEN Mission May Be Lost in Space appeared first on Sky & Telescope.

Categories: Astronomy

Bassac River, Southern Vietnam

NASA Image of the Day - Mon, 12/15/2025 - 12:30pm
The Bassac River surrounds Cù Lao Dung, a river islet district in southern Vietnam, before emptying into the South China Sea.
Categories: Astronomy, NASA

The world will soon be losing 3000 glaciers every year

New Scientist Space - Cosmology - Mon, 12/15/2025 - 11:00am
Under current climate policies, 79 per cent of the world’s glaciers will disappear by 2100, endangering the water supply for 2 billion people and raising sea levels dramatically
Categories: Astronomy

The world will soon be losing 3000 glaciers every year

New Scientist Space - Space Headlines - Mon, 12/15/2025 - 11:00am
Under current climate policies, 79 per cent of the world’s glaciers will disappear by 2100, endangering the water supply for 2 billion people and raising sea levels dramatically
Categories: Astronomy

Getting a COVID Vaccine while Pregnant Slashes Risk of Premature Birth, Major New Study Finds

Scientific American.com - Mon, 12/15/2025 - 11:00am

Pregnant people who receive a COVID vaccine are 60 percent less likely to experience severe disease and around 30 percent less likely to give birth prematurely, according to new research

Categories: Astronomy