Tyrannosaurus rex lived longer and took more time to reach its maximum size than previously thought, according to a new study.

Horses can detect fear in humans by smell, becoming more likely to startle and more wary of people who are scared, a new study has found.

Toddlers can pick up new words just by overhearing conversations. Now, new research suggests that some intelligent dogs can expand their vocabulary in just the same way.

A newly discovered celestial object may be a starless cloud that could change how astronomers understand dark matter.

A group of astronauts will return from the International Space Station more than a month ahead of schedule after an unnamed crew member experienced a medical issue.

Improving health is a common goal for many people in the new year, but where to start? Dr. Leana Wen explains five science-backed actions you can take right now.

The NASA Artemis II mission, set to lift off as soon as February, will mark the first time astronauts have aimed to venture beyond near-Earth orbit since 1972.

Plenty of people – about 1 in 3, according to some studies — feel bad for a day or two after they get a flu shot. The most common symptoms include headaches, muscle aches, fatigue and fever, all of ...

A Blue Origin rocket will soon launch carrying an unconventional passenger in a history-making moment made possible by a high-profile former employee of the company’s biggest rival. Michaela Benthaus, ...