Humanity Is Increasingly Vulnerable to a Worst-Case Solar Storm
Every century or so, a solar event is strong enough to knock out satellites and even terrestrial power grids. Are we ready?
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NASA did eventually solve Artemis II’s Outlook glitch
NASA’s Artemis II rocket launched from the Kennedy Space Center on Wednesday. | Photo: Joe Raedle via Getty Images On Thursday, during Artemis II’s journey to the Moon, commander Reid Wiseman ran into a tech issue some of us back on Earth can relate to: Microsoft Outlook wasn’t working. In a conversation captured in NASA’s…
NASA launches four astronauts toward the Moon on the Artemis II mission
NASA’s Artemis II flight, which is set to take four astronauts toward the Moon for the first time in more than 50 years, successfully launched on Wednesday evening. The Artemis II mission, part of NASA’s Artemis program that’s intended to bring humans back onto the Moon as early as 2028, will bring the four astronauts…
Comet 3I/ATLAS May Be an Orphan Older Than the Milky Way
New evidence suggests that the famous interstellar traveler may be so old that its home system no longer exists.
The Large Hadron Collider’s Latest Upgrade Helped It Reveal a New Quantum Particle
The “Xi-cc-plus” could not have been detected without years of work and concerted upgrades.
A Giant Orbital Sun Shade Could Reveal Distant, Earth-Like Planets
The idea uses a “starshade” to let astronomers find Earth-like exoplanets, even with existing ground-based telescopes.
How to Spot a Galaxy Made of Dark Matter
Three advanced telescopes were needed for spot a galaxy made up of more than 99% dark matter.
The Rubin Observatory’s alert system sent 800,000 pings on its first night
That’s coming on a little strong, maybe. | Image: Vera C. Rubin Observatory The Vera C. Rubin Observatory’s automated alert system is online and already bombarding astronomers with things to look at in the night sky. The system went live publicly on Tuesday, February 24th, and on the first night dropped some 800,000 alerts about…
SpaceX Triggered a Lithium Plume in the Atmosphere, Study Confirms
The study highlights how letting rocket debris burn up in the atmosphere is not a consequence-free approach to orbital cleanup.
A Dozen Oceans’ Worth of Hydrogen May Lie in Earth’s Core
If true, it could dramatically change theories about the origin of water—and, by extension, life—on Earth.