Researchers warn that halting federal contracts for mRNA vaccine research could weaken pandemic preparedness and slow medical advances.  [...]

Infrared cameras in Costa Rica revealed that the world’s largest carnivorous bat maintains close social bonds through wing wraps and prey sharing.  [...]

Before exploding, a star shed most of its layers, giving a glimpse at a massive star’s deep interior. The event may represent a new kind of supernova.  [...]

Continuous glucose monitors are now readily available. With guidance, they can help people make small dietary and lifestyle changes for better health.  [...]

Over the last half 50 years, fractals have challenged ideas about geometry and pushed math, science and technology into unexpected areas.  [...]

H5N1 bird flu might infect human mammary glands, potentially allowing the virus to show up in breast milk.

The Shape of Wonder humanizes scientists by demystifying the scientific process and showing the personal side of researchers.  [...]

At an average age of 70, these women divers in South Korea still forage in the sea up to 10 hours a day and spend more than half of that time underwater.  [...]

In-flight defecation may help the birds stay away from feces that can contain pathogens such as bird flu while also fertilizing the ocean.  [...]

Adding a magnet could simplify the process of producing oxygen in space, making a crewed mission to Mars more feasible.

A Kenyan site shows early hominids transported stone 13 kilometers for toolmaking as early as 2.6 million years ago.

The Webb telescope found that a far-off little red dot is the oldest known black hole, shrouded by gas that could help explain the ruby color.  [...]

Solve our latest interactive crossword. We'll publish science-themed crosswords and math puzzles on alternating months.

Producing a male-specific protein in digestion-related neurons may have led to the evolution of an odd “romantic” barfing behavior in one species of fruit flies.  [...]

In The Martians, journalist David Baron recounts scientific and public debate over purported intelligent life on the Red Planet.  [...]

The hypothesis could extend the search for extraterrestrial life to include frigid planets with thin atmospheres and underground water.  [...]

A warming climate is behind growing floods of glacier meltwater in Alaska’s capital. Scientists say it’s the new normal.

Analysis of the hair used in a knotted device reveals the owner’s simple diet. That suggests commoners, not just the elite, kept records in Inca society.  [...]

Sun-powered fliers could use photophoretic forces to hover in the mesosphere, gathering data from a region off limits to planes and balloons.  [...]

In the lab, higher temperatures during fall migration led monarchs to break their reproductive pause, increasing their risk of death.  [...]