Watch ISS spacewalk July 21

On Tuesday, July 21, 2020, 2 NASA astronauts will perform the 2nd in a pair of International Space Station (ISS) spacewalks, to finish a 3.5-year effort to upgrade the station’s power system. How to watch.

Physicists say they’ve found a ‘tetraquark’

On July 1, scientists announced the discovery of a new exotic particle - a so-called “tetraquark” - a finding that marks a major breakthrough in a search of almost 20 years, carried out in particle physics labs all over the world.

NASA announces Venus rover challenge winners

The Venus rover challenge - called "Exploring Hell" - received a great response from countries around the world. NASA said the design ideas submitted will help advance the final design of a mechanical rover that might one day explore the hellish surface of Venus.

Eclipse? What eclipse?

Even experienced observers say they couldn't discern the Earth's shadow on the moon during the partial penumbral eclipse of July 4-5, 2020.

‘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.