The curious minds at What If explore the extreme atmospheric pressure and scorching temperatures of Venus to illustrate why ...

New Horizons transformed Pluto from a blurry dot into a world of glaciers, mountains, icy plains, and possible hidden oceans.

The crown jewel of summertime stargazing is arguably the Perseids, one of the biggest meteor showers of the year, and it's ...

Learn when and where to see July’s moon – planet alignment and summer meteor showers, plus the Texas dark-sky parks that ...

Up to 100 meteors an hour: The Perseid meteor shower starts soon. Here’s when to watch, peak time and how to see the most ...

For two nights, the moon will host a cosmic party with three planets – Mars, Saturn and Uranus – that will be visible in ...

For two nights, the moon will host a cosmic party with three planets – Mars, Saturn and Uranus – that will be visible in the ...

On April 20, 2007, the comet responsible for the Taurid meteor shower was witnessed by a solar-observing telescope in an ...

Seen from space, Lake Bosumtwi appears as a near-perfect blue circle surrounded by lush forest in southern Ghana. Revered by ...

A speculative paper argues that ancient planetary flybys may have helped trigger some of Earth’s mass extinctions.

Jupiter will set about 45 minutes after the sun this week as it sinks from view, moving toward conjunction with the sun, as ...