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A Chinese spacecraft burned up over Los Angeles. Earthquake sensors mapped its path through the atmosphere.
A Chinese spacecraft that burned up high over Los Angeles created a sonic trail detected by ground-based sensors.
Full moons of 2025: Names, dates and everything you need to know
Find out exactly when to see the full moons of 2025, including dates for two total lunar eclipses and three supermoons.
The 10 best stargazing events of 2025
The 2025 stargazing guide includes Venus at it brightest, a sunrise solar eclipse and three supermoons. Here are all the dates you need to know.
Diagnostic dilemma: A surgeon accidentally transplanted a tumor into his own hand
In an unusual case, a surgeon developed a cancerous lump on his hand that stemmed from an injury he sustained while performing surgery.
A disease unknown to science could spark the next pandemic. Are we prepared?
The COVID pandemic is ongoing, but scientists are on alert for any pathogen that might lead to another global outbreak of disease.
Massive Antarctic icebergs' split from glaciers may be unrelated to climate change
The first analysis of extreme calving events in Antarctica finds no correlation with climate change, highlighting the significance of common, smaller calving events for ice loss and instability.
10 amazing things we found on Mars in 2024, from hundreds of 'spiders' to a 'Martian dog'
From arachnid-like formations and mysterious blobs to an underground ocean and a giant volcano, here are our 10 favorite things scientists discovered on Mars this year.
10 of the strangest medical cases from 2024
From fungi brewing alcohol in a person's gut to parasitic brain infections, here are some of the oddest medical case reports we covered in 2024.
'It's better to be safe than sorry': How superstitions may still benefit us
New research found behaving superstitiously could benefit us psychologically, even if we know it has no real effect on the outcomes of our actions.
AI could shrink our brains, evolutionary biologist predicts
Evolution could alter or even eliminate some of the human traits we cherish most, changing forever what it means to be human.
'Lake of clouds' appears between volcanic nesting dolls in Russia via rare mirror-like phenomenon
Earth from space A 2023 astronaut photo captured a rare effect, known as sunglint, transforming the surface of one of Russia's deepest lakes into a sea of swirling clouds. The crater lake is sandwiched between a pair of unusual volcanic "nesting dolls" on a Pacific island.
10 jaw-dropping space photos that defined 2024
From solar storms to "shooting stars" over Stonehenge, here are our top 10 favorite space photos of 2024 — and what they told us about our beautiful cosmos.
There's a weird, disappearing dark spot on Saturn's moon Enceladus
"After staring at dozens and dozens of image pairs, she found something interesting."
This red giant star has starspots larger than the entire sun
Astronomers modeled sunspot activity on a nearby red giant star to learn about its chaotic interior.
Potentially habitable planet TRAPPIST-1b may have a carbon dioxide-rich atmosphere
The innermost Earth-like planet in the famous TRAPPIST-1 system might be capable of supporting a thick atmosphere after all, according to new research.
2,000-year-old RSVP: A birthday invitation from the Roman frontier that has the earliest known Latin written by a woman
This wafer-thin wooden tablet from a first-century Roman fort in the U.K. includes a heartfelt birthday party invitation.
Fungus is wiping out frogs. These tiny saunas could save them.
Our purpose-built "frog saunas" allow amphibians to warm up in winter and bake off chytrid infections. You can even DIY and build a frog sauna for your own backyard with our step-by-step guide.
Could we ever retrieve memories from a dead person's brain?
Neuroscientists have identified the physical locations where memories are stored in the brain. But would that enable us to retrieve memories from someone who has died?
