Space.com- Angara: Russian Rocket for LEO payloads May 21, 2018The Angaraa family of rockets is under development to eventually take satellites to low-Earth orbit.
- Image of the Day May 21, 2018Two days after the new moon of May, a thin sliver of the waning crescent moon joined the bright planet Venus in the evening sky for a spectacular conjunction.
- Found! Weird Asteroid in Jupiter's Orbit Is 1st Interstellar Immigrant May 21, 2018Another interstellar asteroid has been spotted in our solar system — and this one is not a visitor but a long-term resident, a new study reports.
- Antares Rocket Launches NASA Cargo to Space Station in Dazzling Predawn Liftoff May 21, 2018An Orbital ATK Antares rocket pierced the clouds in the predawn sky over Virginia Monday (May 21) with a dazzling predawn launch to deliver more than 3 tons of vital supplies to the International Space Station.
- Union Votes to End ULA Strike May 21, 2018Striking United Launch Alliance employees will return to work after voting May 19 to accept a revised contract, ending a two-week strike.
- Giant Waves Nearly Half a Million Miles Across Seen on the Sun for the First Time May 21, 2018Huge, slow-moving waves that drive Earth's weather and shape the swirls in Jupiter's atmosphere also exist on the sun, new research reveals.
- There's No Good Explanation for Why Ozone-Ripping CFCs Are Back May 21, 2018Scientists can't explain why in the world someone would decide to pump out the dangerous gases again.
- No, Octopuses Don't Come From Outer Space May 21, 2018Scientists are skeptical of a new paper that suggests frozen octopus eggs rode a meteor to Earth 540 million years ago.
- On This Day In Space! May 21, 2010: Japan Launches 1st Successful Solar Sail on 'Ikaros' May 21, 2018On May 21, 2010, Japan launched the first successful solar sail into space. See how it happened in our On This Day In Space video series.
- Dark Futures: Does Humanity Really Need a Backup Earth? May 21, 2018SpaceX CEO Elon Musk has a vision: He wants to get humans to Mars as soon as possible. Is that humanity's best option?
- Angara: Russian Rocket for LEO payloads May 21, 2018