Some people’s biology may set them up to birth babies of a certain sex, explaining why a family with multiple children may have all girls or all boys.

In Rehab, journalist Shoshana Walter investigates the systemic pitfalls of drug treatment programs, which prevent people’s recovery from addiction.

You and a friend have arranged to meet at a popular downtown mall between 3 p.m. and 4 p.m. one afternoon. However, you neglected to specify a time within that one-hour window. Therefore, each of you ...

An oceanographer explains how climate change, warming oceans and a souped-up atmosphere are creating conditions for deadly floods.

Earth has experienced both hot and cold periods over time, though warm times have been more common. That’s true of the last 485 million years, as seen in this timeline reported in 2024. Our genus, ...

A young sunlike star called HOPS 315 seems to host a swirling disk of gas giving rise to minerals that kick-start the planet formation process.

Defense lawyers have called shaken baby syndrome, or abusive head trauma, junk science. But doctors say shaking a baby is dangerous.

The cells helps the snakes absorb the bones of their prey — and might show up in other animals that chomp their meals whole.

When navigating home, Magellanic penguins alternate between heading straight back in calm waters and swimming with the flow in strong ocean currents.

Serrations at the edges of a fossilized flipper of the ancient marine reptile Temnodontosaurussuggests it may have been able to swim silently.

Anxious dogs might react nervously to some television sounds, a survey of dog owners reports, while hyper ones might try to play chase.

Gravitational waves spotted by LIGO reveal two black holes, 140 and 100 times the mass of the sun, merged to become a 225 solar mass behemoth.