India’s Sun-watching spacecraft is about to face the moment it was built for. In 2026, the solar cycle will crest, the Sun ...

The last full Moon of 2025 is going to rise with all the panache conferred by a simultaneous perigee. On the night of ...

Learn how Albert Einstein’s theory reveals that time on Mars runs faster than on Earth — and why that tiny shift matters for ...

"A three-body problem is extremely complicated. Now we're dealing with four: the sun, Earth, the moon and Mars. The heavy ...

Uncover Earth’s true cosmic motion—from spinning on its axis to orbiting the Sun and racing through the galaxy. A simple, ...

A radio signal has been detected, pointing to the possible existence of a magnetic field on YZ Ceti b, an exoplanet 12 ...

An international team of researchers has used knowledge of historical geography to reexamine the earliest datable total solar ...

Forget Greenwich Mean Time or Eastern Daylight Time, scientists say we need a brand new time zone - for Mars.

Mars orbiters have given astronomers an unexpected new vantage point on 3I/ATLAS, sharply tightening estimates of the ...

Rising before sunset on Thursday (December 4), the highest full Moon of the year will tower above built-up towns and cities.

Supermoons happen a few times a year in clusters, taking advantage of the sweet spot in the moon’s elliptical orbit, and ...