Space debris lights up the sky over Pacific Northwest

A SpaceX rocket launched on March 4 that failed to perform a deorbit burn reentered Earth's atmosphere on March 25, 2021. It created a startling light display over Seattle and Portland.

How to make beneficial insects welcome in your garden

Ladybugs, lacewings, spiders, and bees can help your garden grow. How to help these beneficial insects.

Milky Way mosaic took 12 years, 1250 hours

Through 12 years of photographing and stitching together individual astrophotography images, Finnish astrophotographer J-P Mestavainio has created a 1.7 gigapixel panorama of our Milky Way galaxy.

Air pollution returning to pre-Covid levels

In early 2020, satellite data showed a decline in air pollution coinciding with Covid lockdowns. One year later, as lockdown restrictions loosen and regular activity resumes, air pollution is bouncing back to pre-Covid levels.

Long trip to Mars may cause astronauts to misread emotions

A study here on Earth simulating the weightless conditions of space travel showed that the longer the participants were exposed to a low-gravity environment, the more they perceived facial expressions as angry.

Billions of cicadas may be coming soon to trees near you

One of the largest groups of 17-year cicadas, Brood X, last emerged from underground in 2004. The next generation will begin arriving in April 2021.

Small temperature increase can cause bigger wildfires, more often

A new study shows that just a half a degree of global temperature rise markedly increases fire danger on the most widely inhabited continents.

Scientists discover 4 new particles

On March 3, scientists at CERN in Geneva - which operates the the Large Hadron Collider, largest particle physics laboratory in the world - announced the discovery of 4 brand-new elementary particles.

Spectacular fireball display in UK leads to rare meteorite recovery

UK scientists and meteor experts have recovered pieces of a rare meteorite, just days after it entered Earth's atmosphere and streaked across the sky. Researchers are ecstatic. "Normally we have to send spacecraft to collect bits of other worlds, but this time one has fallen right into our laps!" one said.

Vote for your favorite Earth photos by ISS astronauts

Vote for your favorite photo of Earth taken by ISS astronauts in NASA's Tournament Earth 2021 contest.