Scientific American

A new analysis of red lines inside a cave in Wales suggests they were made deliberately by ancient humans some 17,000 years ago

‘Penguin’ decays from CERN’s latest Large Hadron Collider experiment hint at weird new physics

China apparently didn’t issue any airspace or maritime notices ahead of the maiden launch of this rocket on Monday

It's not clear why the National Science Foundation may be limiting funding to certain U.S. universities

A group of researchers have proposed rules to prevent artificial intelligence from overpowering humans in math

A deadly Ebola outbreak is spreading fast—and U.S. cuts to foreign aid are making it worse

Deep surveys of the sky have turned up galaxies vastly larger than our own. Are there even bigger ones yet to be seen?

Start your morning with today’s Spellements. Create as many words as you can from our daily selection of letters—including one tied to recent science news. Play now.

The new open-source atlas, generated by an AI tool called ESMFold2, vastly increases the known protein universe

The Ocean Observatories Initiative has been collecting data on physical, chemical, geological and biological conditions in the Atlantic and Pacific Oceans for the past decade

Some clinics are touting pressurized oxygen chambers as a treatment for long COVID, but the evidence is mixed

Agriculture is at risk of a crisis because of this Middle East conflict. The reason why has to do with how fertilizer is made

New-generation GLP-1 drugs, such as retatrutide, are achieving higher rates of weight loss. How much weight is too much and too fast to lose?

Andrew Scott plays World War II meteorologist James Stagg in a new film Pressure, which explores the crucial role weather forecasting played in D-Day

The latest flight of the New Glenn rocket was meant to prepare Blue Origin for a series of NASA-funded lunar voyages. Instead it ended before it began

These proposed Office of Management and Budget regulations would render the federal research grant review process opaque

Fill your bingo card with fascinating science stories, discoveries and ideas all summer long for a chance to win prizes

Hurricane season is shaped by the ingredients needed to produce a tropical cyclone, and this year the Atlantic may be relatively quiet

China is pulling ahead of the rest of the world in sinking data centers that power AI into the ocean as an alternate way to keep them cool

Messier 88 is an active galaxy with a central supermassive black hole that is gobbling up gas and dust

Some neuroscientists argue that the roots of experience lie deep inside the brain. If they’re right, the consciousness club will get a lot bigger

As General Dwight D. Eisenhower prepared for D-Day, he needed a forecast. The new movie Pressure shows the tense make-or-break weather prediction that led to the successful invasion of Europe that spelled the beginning of the end of World War II

High-bandwidth memory keeps powerful AI chips fed with data, and demand for it helped Boise, Idaho–based Micron briefly top $1 trillion in market value

Weapons-grade plutonium can fuel nuclear reactors known as mixed oxide reactors, but none of these exist in the U.S.

A battle between “slimes” and “zoglins” could be the best way to calculate pi—at least for fans of this megahit game

Our universe appears flat—but this observation still leaves plenty of options for its true shape. In fact, our cosmos could resemble a donut

Debate still swirls around the nature of “little red dots,” black holes glimpsed in the early universe by the James Webb Space Telescope. A controversial new weigh-in may settle the matter

Unseasonably hot weather in Europe has already claimed at least 18 lives. And history shows more are likely on the way

Our galaxy and its nearest large companion, Andromeda, may be headed for a collision on a cosmic scale. What happens then?

A statement can be true or false. But as Kurt Gödel demonstrated, there will always be mathematical assumptions that can neither be proven nor disproven

Wemby’s height gives him an advantage in blocking and rebounding, but how does the tallest player in the NBA keep hitting all those threes?

This teensy creature was discovered along a deep-sea mountain

At an event at NASA Headquarters, space agency officials unveiled the first rovers and landers headed to the future site of its planned lunar south pole outpost

Scientists are working to solve a mystery of Earth’s molten outer core, which lies more than 2,000 kilometers beneath our feet

How animals use Earth’s magnetic field to navigate is one of biology’s biggest unsolved mysteries. This study proposes a totally new source for the sixth sense

Probability theory and the Saint Petersburg paradox can help you determine whether the stakes of a game are too great