Astronomy

Science in meter and verse

Play this crossword inspired by the September 2025 issue of Scientific American

Figure out how to split the square in this math puzzle

The U.S. is a global powerhouse. Public education is one of the main reasons why

Unless you have celiac disease, there are few health benefits to a gluten-free diet

Washing waste from the brain is an essential function of sleep—and it could help ward off dementia

Long dismissed as impossible, nerve regrowth is offering new hope for healing injuries and treating neurodegeneration

The universe has a habit of disproving “unassailable” facts

DNA holds our genetic blueprints, but its cousin, RNA, conducts our daily lives

While observing the Halley-type comet 12P/Pons-Brooks with ALMA and NASA's Infrared Telescope Facility, researchers determined that the comet's water is strikingly similar to the water on Earth.

The FAA has closed its investigation into SpaceX's Starship failure this spring and given the green light for Starship Flight Test 10 to proceed this weekend.

Portugal's space ambitions grow as Atlantic Spaceport Consortium secures approval to operate the nation's first launch center in the mid-Atlantic

Two Chinese astronauts spent more than six hours outside the Tiangong space station on Friday (Aug. 15), installing a debris shield on the third spacewalk of the Shenzhou 20 mission.

Mercury is farthest from the sun in Earth's morning sky on Aug. 19.

A panel of judges has selected the 25 finalists in NASA and Freelancer's global contest to design a plush "zero-g indicator" to fly to the moon with the agency's Artemis 2 astronauts.

A SpaceX Falcon 9 rocket carrying 24 Starlink satellites launched from Vandenberg Space Force Base in California on Monday (Aug. 18). It was the company's 100th Falcon 9 launch of the year.

Pluto isn't the only dwarf planet residing in our solar system. Try your hand at naming the others!

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?

Like birds returning to their nests, these feather-like grid fins help steer rockets back down through the atmosphere toward their landing zones.

Auroras may be visible from Alaska to Washington as an incoming speedy solar wind could spark geomagnetic storm conditions overnight.