Thick, swirling clouds cover Jupiter from pole to pole. They hold water like Earth’s clouds, but at far greater density.

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a new ...

Portugal has entered the small group of countries with experimental capability in hypersonic research ...

"Until now, it was unknown what type of star would remain after the merger." ...

A quote of the day picks one powerful line of wisdom to spark inspiration, teach a lesson, or prompt daily reflection amid ...

Scientists who work on long-term climate patterns usually stay close to Earth. The data is here, the records are clearer, and ...

Polygon has rounded up the best icy sci-fi planets from our favorite video games, movies, television, and books ...

In an exclusive interview at his home in Norway, athletics’ ‘iron man’ tells Sean Ingle why his career feels like ‘99% losses’ and why he believes he can break world records from 1500m to the marathon ...

Ingebrigtsen, who was knocked out of the heats in the 1,500m and could finish only 10th in the 5,000m, knew what was coming.

I haven’t been in Florida for more than a decade, but I remember an ex-pat Clevelander down there accosting me in a ...

The Instituto Superior Técnico (IST) conducted its first hypersonic test, in which the speed reached is equivalent to "crossing mainland Portugal, from north to south, in just over five minutes," the ...