When most people think of a supernova, they're thinking of a Type II core-collapse supernova. These are massive stars that have reached the end of their time on the main sequence. They've used up their supply of hydrogen ...
Astronomy
18 hours ago
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What happens when a solar superstorm hits Mars? Thanks to the European Space Agency's Mars orbiters, we now know: glitching spacecraft and a supercharged upper atmosphere.
Astronomy
21 hours ago
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A Japanese startup's third attempt to put a satellite in orbit failed on Thursday after its rocket spiraled back to Earth shortly after takeoff.
Space Exploration
21 hours ago
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For the first time, the Tibet ASĪ³ Experiment has successfully measured magnetohydrodynamic (MHD) turbulence on scales below one parsec (approximately 3.3 light-years) within the gamma-ray halo surrounding the Geminga pulsar ...
Astronomy
Mar 4, 2026
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NASA announced it had found the source of a helium flow blockage that forced it to roll the Artemis II rocket back from the launch pad at Kennedy Space Center and delay its lunar fly-by mission until at least April.
Space Exploration
Mar 4, 2026
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Just a few days in simulated microgravity can subtly change the way women's blood clots, sparking bigger questions about health monitoring protocols for astronauts who can spend six months or more in orbit, say Simon Fraser ...
Space Exploration
Mar 4, 2026
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In a first, a space mission led by NASA and France has tracked Earth's rivers swelling and shrinking from month to month over the course of a year and found significantly less of a swing than previous model-based estimates. ...
Planetary Sciences
Mar 4, 2026
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Astronomers have reported observations of a rare star system consisting of one star orbiting a system of three more tightly bound stars. This quadruple star system is described in a new study, published in Nature Communications, ...
Craters, craters, and yet more craters: this snapshot from ESA's Mars Express is packed full of them, each as fascinating as the last.
Planetary Sciences
Mar 4, 2026
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The food flying aboard Artemis II is designed to support crew health and performance during the mission around the moon. With no resupply, refrigeration, or late-load capability, all meals must be carefully selected to remain ...
Space Exploration
Mar 4, 2026
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