The sun recently hurled two coronal mass ejections toward Earth. The first is expected to reach us on Tuesday sparking aurora across the northern US.
See the US achieve many firsts in space exploration this year from SpaceX's wild rocket catch to Intuitive Machines' historic moon landing.
Pictures from the International Space Station do not disappoint, from comets and northern lights to giant hurricanes and cities at night.
Satellites and chunks of space junk come close to colliding on a regular basis. The situation could get dangerously out of control.
NASA is about to make history. Its Parker Solar Probe is set to fly closer to the sun than any object in history. The mission is years in the making.
SpaceX's earliest workers endured grueling hours, Elon Musk's tirades, and even dangerous conditions — in part because they had equity in the company.
No mirror-image life exists, but scientists are calling for the research to stop before it gets close to a breakthrough.
Forest fires are devastating America. I'm helping to start more of them.
Health officials said the first "severe" case of the H5N1 virus was reported in a human this week, with the person being hospitalized.
The H5N1 bird-flu virus has been found in new dairy-cattle herds in Southern California. No human-to-human spread has been documented.
SpaceX needs extra time to process the new spaceship that will finally relieve Butch Wilmore and Suni Williams of their space-station duties.
Experts have said the Hanford Site in Washington is an underground Chernobyl waiting to happen. Here's what the most toxic area in America is like.
Ocean scientists come together to explore how AI can improve their conservation efforts for marine wildlife.
From giant holes in Siberia to legions of beavers in Alaska, the Arctic is changing rapidly and accelerating the climate crisis across the planet.
Claimable has helped patients file hundreds of health-insurance appeals. Its CEO says its success rate of overturning denials is about 85%.
Jared Isaacman planned two more missions with SpaceX, including Starship's first crewed flight. Trump has thrown his Polaris Program into question.
Google's Willow chip reduces errors exponentially, addressing a problem the industry has faced for almost 30 years.
Retirees look forward to doing nothing all day. Turns out that's a big mistake.
The Nikon Comedy Wildlife Awards recognize the funniest images in wildlife photography. Here are this year's winners.
Billionaire CEO and SpaceX astronaut Jared Isaacman is not a traditional pick for NASA chief. His nomination could ruffle some feathers.
Flash floods turned UAE roads into rivers and resulted in planes wading through water on the tarmac. Some blamed the UAE's cloud-seeding operations.
A major earthquake gave California a tsunami scare on Thursday. Aftershocks are ongoing, and they could get big.
Bill Gates and his investment firm, Breakthrough Energy, said corporations now see climate tech as "crucial to the survival of their businesses."
Jared Isaacman is a high-school-drop-out-turned-billionaire set to lead NASA under Trump's new administration. Here's what he's done for space, so far.
Jared Isaacman, the billionaire CEO nominated for NASA administrator, made history by leading the first private spacewalk with SpaceX.
Photos show climate change impacting national parks from Yellowstone's flooding to warming temperatures in Denali. Wildfires are also causing damage.
Silicon Valley has a long history with psychedelics, and some of its best-known leaders have partaken, including Steve Jobs and Sam Altman.
The crew showed a container of food which they said had smoked turkey, Brussels sprouts, and butternut squash.
The Wildlife Photographer of the Year contest finalists include photos of a puma prowling, a pack of wolves, and more.
Mega-constellations of internet satellites are quickly filling the skies. Experts are begging regulators to slow it down and "look before we leap."
More than 150 scientists went with Napoleon Bonaparte when he invaded Egypt. They mapped pyramids, dissected mummies, and did more scientific work.
Parts of Siberia's landscape is scarred with massive craters that keep turning up. The cause, according to a recent study, could mean more to come.
National Geographic revealed its annual Pictures of the Year issue. The photos show wildlife, scientific innovations, and more.
Air pollution in India's capital, New Delhi, has become so severe that some residents are struggling to commute to work.
Great Abaco Island has a blue hole, Sawmill Sink, filled with fossils from the Ice Age showing the island's ancient history.
Elon Musk's ambitions for settling Mars rest on SpaceX's Starship rocket system, which launched its 6th test flight on Tuesday without the main event.
Rocket Lab CEO Peter Beck broke down his morning routine, which starts before 5 a.m. and doesn't include any coffee or breakfast.
Researchers were baffled by a bioluminescent mollusk that lives in the deep ocean. They just discovered it's a new species of sea slug.
The SpaceX astronaut Jared Isaacman says frequent space travel is "around the corner." How humans will survive off-world is another question.
The last time a human visited the moon was in December 1972 during NASA's Apollo 17 mission. Since then, there have been many foiled plans to go back.
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Explainers
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Online conversations about Ozempic and similar medications are full of misinformation — and echo decades of flawed teachings on weight management.
The Trump and Musk alliance could speed up the next human moon landing and Starship's first mission to Mars.
Washing produce doesn't always eliminate all of pesticides. This 14-year-old invented a device that can detect certain pesticides on common produce.
It's not just you. 74% of shoppers say they've abandoned their online shopping cart because they were too overwhelmed by all the options.
Gary Allen Montelongo used coding and engineering to test how suspension systems can cause train derailments. His eighth-grade project won big.
Before-and-after photos show flooded streets, overturned cars, and more destruction as a result of torrential rains and flash floods in Spain.
Working at SpaceX in its early days was a "lifestyle," according to "Reentry." One time that included sleeping in a shipping container at sea.