Each summer, skywatchers around the world look forward to the famous Perseid meteor shower, but often overlook four lesser showers that peak between July 29 and Aug. 16.
Four mountaineers and astronomy lovers hiked the tallest peak in Western Europe.
Apple TV's excellent adaptation of Martha Wells’s witty sci-fi novels scores another mission as Murderbot is renewed for season 2.
SpaceX plans to launch the 10th test flight of its Starship megarocket about three weeks from now, according to company founder and CEO Elon Musk.
These Prime Day deals on telescopes, binoculars, cameras, Lego, model rockets and drones are still live on Amazon right now.
Φsat-2, a miniature satellite, has completed its commissioning and has begun delivery of science data, using algorithms to efficiently process and compress Earth observation images, as well as detect wildfires, ships, marine pollution and more.
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All its parts have been built and put together. It has been wrapped in shiny gold insulating foil. Its launch is getting closer. But the Smile spacecraft had one major phase to pass before it could be certified ready for space – and it involved testing, testing and yet more testing.
The U.S. government's "One, Big Beautiful Bill" Act finds funding for Artemis and Lunar Gateway, but nearly half of NASA's science missions are on the chopping block ahead of the 2026 budget.
Gravitational-wave astronomers have detected the collision of two beefy black holes, which created the most massive merger-made black hole found thus far.
The largest Mars rock on Earth will soon be auctioned off in NYC, and could sell for at least $2 million.
"It remains possible that there are other unseen planets in the system. The challenge is finding them!"
The four astronauts of Axiom Space's latest private mission have safely returned to Earth after more that two weeks aboard the International Space Station.
After 20 days in space, ESA project astronaut Sławosz Uznański-Wiśniewski and his Axiom Mission 4 (Ax-4) crewmates returned safely to Earth today, 15 July 2025.
Since Galileo first observed them through his telescope in the early 1600s, sunspots have fascinated scientists. These dark patches on the Sun's surface can persist for days or even months, but until now, researchers couldn't fully explain why they remained stable for such extended periods.
Our circumstances here on the wondrous, life-supporting Earth can give us a false understanding of what the Universe is really like. But our blue-skied, temperate planet is the extreme exception when it comes to other worlds. There's nothing remotely like Earth in our Solar System, and exoplanet studies reinforce that idea. While some exoplanets have hints of habitability, most exoplanets are extremely inhospitable.
When the first astronauts walked on the Moon as part of the Apollo Program, the concept of lunar habitats ceased being the stuff of science fiction and became a matter of scientific study. With several space agencies planning on sending crewed missions to the Moon in the coming decade, these plans have become the subject of scientific interest again. Structures that will enable a "sustained program of lunar science and development" is the long-term aim of NASA's Artemis Program. China and the ESA have similar plans with the International Lunar Research Station (ILRS) and the Moon Village.
Alone among known planets, Earth has vast oceans on its surface and its landmasses are marked with lakes and extensive river drainage systems. Water is the biosphere's lifeblood, and without it, Earth would be just another dead world. If Earth life is a reliable indicator, then water is necessary for life, full stop.
The race to connect the world through satellite internet has created an unexpected casualty: our view of the cosmos. A new study reveals that major satellite constellations, including Starlink, BlueBird, and OneWeb, are significantly brighter than international standards allow, potentially disrupting both professional astronomy and the simple pleasure of stargazing.
A Long March 7 rocket lifted off this evening (July 14), sending China's Tianzhou 9 cargo spacecraft toward the Tiangong space station.
Astronomers have discovered that vampire white dwarfs that feast on victim companion stars have assistance in acquiring prey in the form of lurking third stars.
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