The Perseids can be the best meteor shower of the year, thanks to bright fireballs and long colorful trails. US states may also get northern lights.
What it takes to build an Olympic athlete — from guts to grip strength
Watching the Olympics might make you wonder how they do it. What sets these athletes apart from the rest of us? Science offers a few hints.
NASA admits it's been working with SpaceX on a backup plan to retrieve Boeing's 2 stuck astronauts. It doesn't sound ideal.
NASA astronauts Butch Wilmore and Suni Williams rode a Boeing spaceship to the space station. They might fly SpaceX on the return trip — in February.
Sea lions with cameras got stunning video of never-before-seen habitats on the ocean floor, surprising scientists
Sea lions wearing video-camera backpacks are helping scientists map uncharted regions of the seafloor. They found the ocean bed teeming with life.
A top turbulence scientist explains how he stays calm on bumpy flights
Turbulence is getting worse, scientist Paul Williams has found. But he has tips for coping with it — including a drink trick from a flight attendant.
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The top dark sky parks in all 50 states with the clearest nights to enjoy mesmerizing meteor showers
Dark sky parks in all 50 states are the best places to watch space events and go stargazing. See meteors, comets, eclipses, and more in these spots.
NASA says it can ask SpaceX to bring Boeing astronauts home if needed, as they reach 51 days on the space station
Two NASA astronauts have been stuck on the space station for 51 days while Boeing troubleshoots its Starliner spaceship. SpaceX is the backup option.
NASA just scored a badly needed win: The best potential evidence of alien life yet
The Perseverance rover found potential evidence of life on Mars. Three features make the rock promising, but NASA must bring it to Earth to study it.
13 photos from NASA's most powerful X-ray space telescope reveal the invisible universe
The universe's wildest objects and events, from black holes to the collisions of neutron stars, emit X-rays. NASA's Chandra telescope captures them.
SpaceX is building a superpowered spaceship to scrap the International Space Station for NASA
NASA wants SpaceX to help end the International Space Station and push it into the ocean. They plan to do it with a superpowered Dragon spacecraft.
Scientists found an underground cave on the moon where astronauts could live and think there may be hundreds more
Scientists have discovered that the moon contains a vast underground cave on the side of a deep pit in the lunar surface.
Why meteorologists avoid afternoon and evening flights in the summer
Meteorologist Chris Bianchi was stuck overnight in LaGuardia Airport after he broke his travel booking rule: Pick early flights, especially in summer.
Elon Musk has reportedly offered his sperm to help colonize Mars. It's unclear if that's possible.
SpaceX CEO Elon Musk may be uniting two of his biggest life projects: colonizing Mars and having lots of children.
NASA astronauts describe flight aboard Boeing's glitching, leaking Starliner spaceship
Boeing's Starliner got two NASA astronauts to the space station despite failures. Now they're waiting to see if it can safely bring them home.
Photos show the mysterious ancient objects that mountaineers are finding on the Alps' melting glaciers
Hikers and mountaineers are finding ancient human artifacts in the melting glaciers of the Alps.
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I loved my first visit to Switzerland — but my trip would've been better if I hadn't made these 5 mistakes
My first trip to Switzerland differed from my other travels in Europe in surprising ways. Buses, restaurants, and Airbnbs were not what I expected.
Experts are racing to contain 'the most dangerous' monkeypox virus yet before it causes a global outbreak
The new monkeypox strain spreads mpox rash in new ways. "There's definitely the opportunity for this to get on an airplane," one health expert said.
A mummified 44,000-year-old wolf is so perfectly preserved its stomach could contain remnants of its last meal
Locals found this first-of-a-kind Pleistocene wolf in Siberia. It's so mummified that scientists hope to find remnants of its last meal in its belly.
A new study suggests a culprit in bird flu's rapid spread through US cattle, and how to stop it
Raw milk is a hazard to cows, workers, and consumers, a new study suggests. There a few things dairy farms can do about that.
NASA simulated an incoming asteroid impact, and the biggest roadblock to action was penny pinching
NASA gathered about 100 experts to practice a hypothetical discovery of an asteroid with a 72% chance of impacting Earth. They had a politics problem.