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"A ring-shaped world shaped like a ring! I shall call it Wheel World."
NASA astronaut Anil Menon and first female French spacewalker Sophie Adenot removed a failed antenna but ran out of time to install its replacement at the International Space Station, Aug. 18, 2026.
This story appeared in Today, Explained, a daily newsletter that helps you understand the most compelling news and stories of the day. Subscribe here. As someone with a 401(k), I tend to prefer it whe...
After Starship's test launch and splashdown last month, SpaceX recovery teams have successfully tugged the vehicle through a turbulent stretch of the Indian Ocean and arrived at calmer waters off the ...
Stone tools from a lakeside site in Saudi Arabia hint that Neanderthals were adapted to the arid Arabian interior, not just to cold places.
Three new AI-designed chip components are just a few micrometers long and go beyond what human engineers have previously envisaged.
The rate of global warming, rather than the extra heat itself, could determine whether a system of ocean currents known as the Atlantic Meridional Overturning Circulation will cross a tipping point, n...
The "Black Eye Galaxy" is captured in a gorgeous new composite image from the Hubble and James Webb space telescopes.
Spaceflight can do strange things to the human body — including making it harder for astronauts to poop.
An ancient Etruscan cult likely left burials and bronze artifacts in a well that was recently discovered in Italy.
A recent satellite photo captured a series of clouds sculpted by von Kármán vortices from a volcano on South Korea's Jeju Island. A giant multicolor plume, ejected by China's Yangtze River, is also vi...
The Milky Way has a secret history of galaxy mergers that we are only now starting to uncover.
A composite image of data from the Hubble Space Telescope, the Kitt Peak four-meter telescope and MOTHRA reveal the Helix Nebula. We can see the bow shocks, particularly on the left.
A small church discovered beneath a larger one may have hosted one of the most important meetings in the history of Christianity, but some scholars not involved with the excavation disagree.
A river of gas over a trillion miles long is streaming onto a young planet-forming system and is tipping it over.
Leadership isn’t defined only by the biggest moments we face. It’s shaped in the moments between them: the first five minutes after a reorganization is announced. How a leader responds when priorities...
As Blue Origin continues to repair its New Glenn launch pad following the rocket's explosion in May, the company has announced plans to build a second pad at the same complex to support the bigger, mo...
Scientists suggest it could take decades to achieve superintelligent AI, and doing so still depends on hypothetical breakthroughs. So why do some suggest we're already there?
Across cosmic time and space, stellar systems form. This image shows the Orion Molecular Clouds, the target of the VANDAM survey. Yellow dots are the locations of the observed protostars on a blue bac...
Astronomers detected dust and water surprisingly close to the Milky Way's central black hole, Sagittarius A*, offering a rare direct view of how evolved stars may behave in hostile settings.