Researchers at Tibetan observatory trace gamma ray light back to violent microquasars

Astronomers approach unusual observation with caution and excitement

Whether neural organoids feel pain or should be placed in animals are among the questions swirling around biology’s hot new technology

Study of continental U.S. sees stable population of bugs, but it may be missing important pieces of the puzzle

With details as fine as short-term weather forecasts, model achieves newfound accuracy

Find could revolutionize search for early life on our planet and elsewhere in the cosmos

Spain’s €400 million offer could induce Thirty Meter Telescope to switch sites

Video captures a lone female pulling crab traps out of the water, but does it count as tool use?

Scientists capture a unique—and gruesome—example of matricide in the animal kingdom

Pending bills targeting decennial census and American Community Survey would make results less reliable

Unlike in the past, agency searches appear to exclude help from outside academic researchers

Ancient RNA promises to shed light on how genes functioned in extinct animals

Lawmakers reject Trump’s request for deep cuts to research programs

A retreat from investments in drugs and vaccines leaves U.S. less prepared for the next viral scourge, experts warn

Amid growing investment in the field, a new paper argues it rests on shaky foundations

As existing drugs falter because of resistance, the world gets a backup—but hard choices loom on how to use it

Filter-feeding flying reptile was likely devoured by a dinosaur during the early Cretaceous

Coronal mass ejections would make it hard for planets to keep an atmosphere and host life

The group’s latest strategy emphasizes consultation, lacks spending pledges

A relatively unknown species is producing a notorious neurotoxin, devastating sea life

Arachnids build large lookalikes to ward off predators

Advance underscores the importance of materials science for quantum computing

Culling proceeds after Canada’s Supreme Court ends heated 11-month battle over the fate of more than 300 birds

Cambodia’s Tonlé Sap supports important fisheries and wildlife