"I have looked farther into space than ever a human being did before me."

— William Herschel

Astronomy

Is it time to aim for 1.7°C as the new limit for global warming?

New Scientist Space - Cosmology - Fri, 07/18/2025 - 8:00am
With the world on the cusp of passing 1.5°C of warming, scientists are turning their attention to defining a new limit for temperature rises – but not everyone agrees that we should
Categories: Astronomy

Is it time to aim for 1.7°C as the new limit for global warming?

New Scientist Space - Space Headlines - Fri, 07/18/2025 - 8:00am
With the world on the cusp of passing 1.5°C of warming, scientists are turning their attention to defining a new limit for temperature rises – but not everyone agrees that we should
Categories: Astronomy

This Number System Beats Binary, But Most Computers Can’t Use It

Scientific American.com - Fri, 07/18/2025 - 8:00am

Why do computers only work with the numbers 0 and 1? There are machines that process three digits with more efficiency than you might expect

Categories: Astronomy

NASA workers plan 'Moon Day' protest on July 20 to oppose mass layoffs, budget cuts. 'This year has been an utter nightmare that has not stopped.'

Space.com - Fri, 07/18/2025 - 8:00am
Workers from within NASA will protest the space agency leadership's "preemptive over-compliance" of the White House's proposed budget, gutting science and eliminating jobs.
Categories: Astronomy

Who is Dr Roger Korby? A brief history of Christine Chapel's new boyfriend in 'Star Trek: Strange New Worlds'

Space.com - Fri, 07/18/2025 - 7:00am
Dr Korby once crossed paths with Kirk's Enterprise, though he was a very different man at the time…
Categories: Astronomy

Can You Drink Saturn’s Rings?

Scientific American.com - Fri, 07/18/2025 - 6:45am

It’s certainly possible to consume water sourced from the icy rings of Saturn, but doing so safely may require extra steps

Categories: Astronomy

New Apollo Earthrise view shows Juice’s RIME working well

ESO Top News - Fri, 07/18/2025 - 6:10am

When the European Space Agency’s Jupiter Icy Moons Explorer (Juice) flew past our Moon in August 2024, its Radar for Icy Moon Exploration (RIME) instrument listened to radio wave echoes to reveal the height of the lunar surface.

Categories: Astronomy

Dropout.tv’s Brennan Lee Mulligan Brings Dungeons and Dragons to the Masses

Scientific American.com - Fri, 07/18/2025 - 6:00am

Dropout.tv’s Brennan Lee Mulligan talks about the emotional and cultural importance of Dungeons and Dragons.

Categories: Astronomy

A doomed exoplanet is caught in a 'death spiral' around its star. Can it survive?

Space.com - Fri, 07/18/2025 - 6:00am
A massive doomed exoplanet on a death spiral toward its parent star has three possible catastrophic fates.
Categories: Astronomy

This Week's Sky at a Glance, July 18 – 27

Sky & Telescope Magazine - Fri, 07/18/2025 - 5:08am

The waning crescent Moon joins Venus and Jupiter at dawn. In the dark of night, the Guardians of the Pole are no such things, except they are. And thereby hangs a tale. . .

The post This Week's Sky at a Glance, July 18 – 27 appeared first on Sky & Telescope.

Categories: Astronomy

Little red dot galaxies have now been found in our local universe

New Scientist Space - Cosmology - Fri, 07/18/2025 - 5:00am
Small, compact galaxies seen in the early universe have puzzled astronomers – finding these unusual objects closer to home could provide hints about how they form
Categories: Astronomy

Little red dot galaxies have now been found in our local universe

New Scientist Space - Space Headlines - Fri, 07/18/2025 - 5:00am
Small, compact galaxies seen in the early universe have puzzled astronomers – finding these unusual objects closer to home could provide hints about how they form
Categories: Astronomy

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APOD - Fri, 07/18/2025 - 4:00am

As the Sun set, a bright Full Moon rose on July 10.


Categories: Astronomy, NASA

Earth from Space: Circles in the desert

ESO Top News - Fri, 07/18/2025 - 4:00am
Image: This image from Copernicus Sentinel-1 shows circular agricultural structures near Tabarjal, in the barren desert of northern Saudi Arabia.
Categories: Astronomy

AI demand could drive up US electricity bills – even if it fizzles

New Scientist Space - Cosmology - Thu, 07/17/2025 - 6:00pm
A rush to build more energy infrastructure is driven in part by inflated estimates of US data centre growth. That means households and small businesses could face higher electricity bills – even if AI demand falters
Categories: Astronomy

AI demand could drive up US electricity bills – even if it fizzles

New Scientist Space - Space Headlines - Thu, 07/17/2025 - 6:00pm
A rush to build more energy infrastructure is driven in part by inflated estimates of US data centre growth. That means households and small businesses could face higher electricity bills – even if AI demand falters
Categories: Astronomy

The world is losing major ground in the fight against measles

New Scientist Space - Cosmology - Thu, 07/17/2025 - 5:30pm
A wave of anti-vaccine sentiment has spurred measles outbreaks around the world, and could lead to outbreaks of other preventable illnesses
Categories: Astronomy

The world is losing major ground in the fight against measles

New Scientist Space - Space Headlines - Thu, 07/17/2025 - 5:30pm
A wave of anti-vaccine sentiment has spurred measles outbreaks around the world, and could lead to outbreaks of other preventable illnesses
Categories: Astronomy

What Is Chronic Venous Insufficiency, Trump’s Blood Vessel Condition?

Scientific American.com - Thu, 07/17/2025 - 5:18pm

After photographs showed President Donald Trump with swollen ankles and bruised hands, the White House revealed he has chronic venous insufficiency—a blood vessel disease that affects circulation in the legs

Categories: Astronomy

What's the deal with Lex Luthor's pocket universe in James Gunn's 'Superman'?

Space.com - Thu, 07/17/2025 - 5:00pm
Superman is full of awesome sci-fi elements, but the most fascinating one might be Lex Luthor's pocket dimension. How does that even work?
Categories: Astronomy