Meet ‘Smilodon’ — The Sabertooth Cat With A Bite Weaker Than A House Cat’s

New biomechanical research shows Smilodon’s legendary saber teeth came with a surprisingly weak bite — and reveals the real weapon it used to kill instead.

Drive Slower, Save Money on Gas. Thanks, Physics!

Planning a Fourth of July getaway? Use less gas—and cut your emissions—by easing up on the pedal.

Scientists Uncover A Potentially Unique Hammerhead Population In Puerto Rico

Scientists studying Puerto Rico’s shark fishery made an unexpected discovery: juvenile scalloped hammerheads being caught around the island appear to belong to a genetically distinct population. The finding suggests Puerto Rico’s hammerheads may not fi…

Space Lasers Show How Venezuela’s Earthquakes Reshaped the Earth’s Crust

New satellite imagery reveals how much terrain has shifted in the wake of the twin quakes.

Northern Lights Forecast: Aurora Possible In 19 States From Wednesday

NOAA forecasts a G1, G2 or G3 geomagnetic storm on July 1-3 as a CME arrives, with aurora most likely on the northern horizon in U.S. states close to the Canada border.

See The Milky Way, Venus And A Full Buck Moon: July’s Night Sky

July 2026 brings the Milky Way, Venus near Regulus, the Buck Moon, Mercury before dawn and the start of the Perseid meteor shower.

29 Stunning Space Photos Revealed By Astronomy Photographer Of The Year

Astronomy Photographer of the Year 2026 shortlist features eclipses, nebulae, aurorae and Milky Way images ahead of the September winners announcement.

Anthropic’s New AI Workbench Mapped My Field For $26. Now Imagine It Aimed At The Rest Of Science

Anthropic’s Claude Science is a capable AI research workbench built for molecular biology. The opportunities for the rest of science are enormous.

A Drug-Resistant Fungus Is Spreading Through American Hospitals

Candida auris cases more than doubled from 2022 to 2024, CDC reports. How much of the rise in this drug-resistant fungus is real spread, and how much better detection?

Seeing Innovation: A Journey Through The Manhattan Project

Emily Seyl’s richly illustrated history of the Trinity Test reveals how the Manhattan Project transformed innovation—and forever changed the world.