Cosmic expansion allows distant galaxies to move away faster than light, while still letting us see ancient light they ...

When we look at a mountain from a distance or gaze up at a towering statue, our first thought is usually, “Wow, that's huge.” ...

Astronomers directly imaged a Jupiter-mass object orbiting a brown dwarf 72 light-years away, making it the strongest candidate yet for the first known exomoon.

What has eluded detection so far have been exosatellites: moons orbiting those remote planets. Our solar system is home to a ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

Solar storm warning systems could gain hours of advance time thanks to a completed UK-built magnetometer called MAGIC, which ...

Imagine shining a flashlight across a dark room. You can predict exactly what the light will do: travel in a straight line ...

On August 12, 2026, lucky viewers in and around Greenland, Iceland and Spain—weather allowing—will be able to see one of nature’s truly glorious sights: a total solar eclipse.

NASA's New Horizons spacecraft has woken up after a nearly yearlong hibernation in the Kuiper Belt. - Mark Garlick / Science Photo Library / illustration After 321 days of sleep, a NASA spacecraft ...

Eventually, we'll launch a mission dedicated solely to studying an interstellar object. When that day comes, which one should we look at first?

A nautical mile (NM) is most commonly associated with traveling through water, as is using knots to determine boat speed. However, both are used in airplanes, too. NMs are used to navigate the open ...

Using data from NASA’s Chandra X-ray Observatory and the European Space Agency’s XMM-Newton, a team of researchers made precise measurements of distances to dust clouds in the Milky Way’s spiral arms.