science

In 1961, Russia detonated the Tsar Bomba, the most powerful nuke in history, over a remote Arctic island. New footage has been declassified and shared on YouTube.

A partial solar eclipse on Oct. 25 looked like an epic ring of fire when viewed by NASA's Hinode satellite, new footage reveals.

The famous Arecibo Observatory in Puerto Rico completely collapsed in 2020. Now, scientists going through its final observations offer a major new asteroid report.

With three dark blotches popping up in the sun's atmosphere, our closest star seems to 'smile' even as it pelts our planet with charged-up solar wind.

Following years of increased government interest in unidentified aerial phenomena (UAPs), NASA has officially launched a nine-month investigation into uncovering their mysteries.

A NASA instrument designed to study dust has revealed that some of the largest methane clouds ever seen are floating over the US, Iran and elsewhere.

In June 2015, a little-known type of aurora cut a Grand-Canyon-size ozone hole in Earth's mesosphere. Scientists have finally assessed the damage.

On Tuesday, Oct. 25, half the world saw the moon's shadow creep over the surface of the sun in the year's last partial solar eclipse.

The towering pillars of creation, captured by the James Webb Telescope, are a nursery of newborn stars that’s been slowly destroying itself for millions of years.

Astronomers stunned by 'brightest of all time' gamma-ray burst reckon it could be the most powerful space explosion since the Big Bang