NASA’s Curiosity rover observed a feather-shaped iridescent cloud, offering insights into Martian atmospheric conditions.

Rising temperatures are fueled, in part, by declining cloud cover — which could be a potential climate feedback loop.

Possibly one of the best-known constellations in the northern sky, Ursa Major—or the Great Bear—contains an asterism of seven ...

Contrails conjure a sense of something overwhelming and ineffable, as terrifying as it is beautiful.

Japan's SKY Perfect JSAT will invest about $230 million to build a constellation of low-Earth orbit satellites using U.S.

Scientists have discovered that some supermassive black holes rotate much more rapidly than expected. The discovery came as ...

Mercury joins the night sky to complete a seven-planet alignment just after sunset for the end of February. Saturn leaves our view starting in March. Look up!

While the composition of gas and dust in a molecular cloud is fairly uniform, everything changes once a star begins to form.

With each passing night as, the crescent slowly widens and it begins to appear against a progressively darker background, its ...

By combining data from NASA’s IRAS and NuSTAR telescopes, scientists have uncovered more hidden supermassive black holes than earlier estimates suggested. Their findings indicate that over a third of ...

We reviewed the best free Adobe Illustrator alternatives for managing graphics files without a Creative Cloud subscription. We've rounded-up our top-rated choices for when you want to make the ...

“In a world that is now so dependent on electricity and electronics, a similar event has the potential to cause widespread disruptions and damage to the electronics aboard Earth-orbiting satellites, ...