Science

A 430-million-year-old fossil has pushed the origin of leeches back by more than 200 million years, revealing that these ancient creatures began as marine hunters, not bloodsuckers. Discovered in Wisconsin’s Waukesha biota, the rare fossil preserves a tail sucker but …

Cancer drug resistance remains one of the biggest challenges in cancer treatment, and doctors urgently need better ways to prevent it. Yet scientists still do not fully understand the molecular processes that allow tumors to escape and return after therapy, …

An incredibly luminous star system that has long baffled astronomers could soon light up the sky with the nuclear brilliance of thousands of suns, new research suggests. When that happens, the results may be visible from Earth with the naked …

While our ability to view distant worlds with advanced telescopes has come a long way in a short time, we can still only photograph a tiny fraction of the planets throughout our cosmos with the technology we have today. However, …

Astronomers have found something that shouldn’t exist, or at least isn’t easy to explain: a cosmic filament 140 million light-years away that’s spinning. Not just the galaxies inside it, mind you. The entire structure appears to be rotating, carrying its …

We may earn revenue from the products available on this page and participate in affiliate programs. Learn more › Sign Up For Goods 🛍️ Product news, reviews, and must-have deals. Breville Espresso Machine Sale: Up to $500 Off Premium Coffee …

Leah Feiger: So it’s a really good question actually, and it’s one that I’ve thought about for quite some time. I think if it’s not annoying, I want to read this quote from Scott Kupor, the director of OPM and …

Let the record show: In 2025, one of paleontology’s oldest debates was settled. A second study in as many months confirms — using an independent and novel analysis — that the the tiny tyrannosaur Nanotyrannus is indeed its own species …

December 3, 2025 3 min read Add Us On GoogleAdd SciAm Scientists Pinpoint Gene in Sperm That May Be Key to Male Infertility Without the gene Poc5, male mice produced no viable sperm, pointing to a possible link to infertility …

The last full Moon of 2025 is going to rise with all the panache conferred by a simultaneous perigee. On the night of Thursday, December 4, as the Northern Hemisphere enters winter, a Cold Supermoon will rise over the eastern …