‘Astonishing discovery’ of massive prehistoric circle near Stonehenge

An ancient circle of deep trenches has been found near Stonehenge. Scientists say the newly discovery site offers insights into the lives of people who lived in the area 4,500 years ago.

Check out this sloth robot

SlothBot is a slow-moving and energy-efficient robot that can linger in the trees to monitor animals, plants, and the environment below.

Stunning images of the night

See the winners of the International Dark-Sky Association (IDA) 1st annual photography contest.

Watch ISS spacewalk July 1

On Wednesday, July 1, 2020, 2 astronauts will perform the 2nd of a pair of International Space Station (ISS) spacewalks, to replace aging nickel-hydrogen batteries. How to watch.

10 great places to see meteor showers in the US

Looking for an awesome place to watch meteor showers in the U.S.? AccuWeather - and the editors of EarthSky - recommend these 10 places.

Plastic rain: More than 1,000 tons of microplastic rain onto western US

New research finds that microplastics are emitted into the atmosphere.

Will large parts of Earth be too hot for people in 50 years?

Inhospitably hot regions on Earth occupy about 0.8% of the globe now. New research indicates that - if greenhouse gas emissions continue unabated - these regions may expand to something more like 19% by 2070.

Covid-19 spreads through the air. That’s a big challenge for reopening

Clear, straightforward information on how a virus spreads, from a scientist who studies infectious disease

Celebrate solstice sunrise at Stonehenge live online

This year, solstice celebrations at Stonehenge monument are canceled due to Covid-19. But for the 1st time, you can celebrate the 1st sunrise of summer from Stonehenge online.

SOHO’s 4,000th comet

This week, a citizen scientist spotted a never-before-seen comet in data from the sun-observing SOHO spacecraft. It was SOHO's 4,000th comet discovery. Learn more and watch comets sweep near the sun in this video.