How to see once-in-a-lifetime Comet PanSTARRS tonight before it disappears for good
Comet C/2025 R3 PanSTARRS is days away from its close pass of the sun during an event known as perihelion.
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Max Space unveils new expandable space habitat for the moon and beyond: ‘We need real estate that is scalable’
“They are truly ready for long duration space flights and lunar habitation.”
MIT scientists just found a hidden problem slowing the ozone comeback
The ozone layer has been on track to recover thanks to the Montreal Protocol—but a loophole may be holding it back. Chemicals still permitted for industrial use are leaking into the atmosphere at higher rates than expected. Scientists now estimate…
A new Earthrise: An Apollo historian experiences Artemis 2
As Artemis 2 approached, my anticipation was mixed with uncertainty. Would this new Moon mission spark the wonder and excitement I’d felt during Apollo? Those doubts didn’t last long.
Scientists discover hidden ocean methane source that could worsen global warming
Scientists have discovered that methane in the open ocean is produced by microbes under nutrient-poor conditions, solving a long-standing mystery. As warming oceans reduce nutrient mixing, these methane-producing microbes may thrive. This could lead to increased methane emissions from the…
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Nope, that is not an alien spaceship landing on the Moon! This is an image of
Eyeing the Richat Structure
Earth Observatory Science Earth Observatory Eyeing the Richat Structure Earth Earth Observatory Image of the Day EO Explorer Topics All Topics Atmosphere Land Heat & Radiation Life on Earth Human Dimensions Natural Events Oceans Remote Sensing Technology Snow & Ice…
Scientists thought this was a young T. rex. They were wrong
A long-running dinosaur mystery may finally be solved: Nanotyrannus, once dismissed as just a teenage T. rex, appears to have been its own distinct species after all. Scientists analyzed a tiny throat bone from the original fossil and discovered growth…
Economic hardship tied to increased violence across California
Economic instability—including job loss, food insecurity, eviction and homelessness—is strongly associated with higher rates of violence among California adults, according to a new statewide survey led by the University of California San Diego. The findings come from the 2025 California…
Crowd flow measurements reveal hidden slowdowns and standstills in dense public spaces
How can public spaces remain safe when large crowds move through them? Engineers and researchers who study these environments often rely on physical models borrowed from fluid dynamics—a branch of physics that describes the collective motion of fluids, whose behavior…