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.

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.

An almost complete battle trumpet dating back around 2,000 years to the Iron Age has been unearthed by in England.

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.

The oldest known cremation pyre in Africa is shedding light on the complex funeral rites of ancient hunter-gatherers 9,500 years ago.

The space agency said Wednesday it was postponing a spacewalk because of a medical concern with an unidentified astronaut.

With findings on Earth’s polar extremes and its innermost core, scientists shaped how we look at the planet in 2025 in surprising and fascinating ways.

Catch the wolf supermoon and Quadrantid meteor shower as January’s night sky puts on a celestial double feature.

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Meteor showers, eclipses, a planetary parade and 13 full moons will be visible in the night sky in 2026. Here’s when to see them.

Research shows that giving time, money or support to others is associated with benefits to well-being. But doing so isn’t always beneficial. Dr. Leana Wen explains.

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.