Polaris Dawn crew to take Ukrainian flag to space this year

Representatives from the Polaris Program hold a Ukrainian flag that will fly into space later in 2022. (Image credit: Polaris Program/Twitter) The all-private Polaris Dawn mission publicly shared its support for Ukraine as the nation continues to endure attacks from Russia. The crewed Polaris Dawn, led by Inspiration4 founder and tech billionaire Jared Isaacman, will … Read more

Military Action in Chernobyl Could be Dangerous for People and the Environment

The following essay is reprinted with permission from The Conversation, an online publication covering the latest research. The site of the Chernobyl Nuclear Power Plant in northern Ukraine has been surrounded for more than three decades by a 1,000-square-mile (2,600-square-kilometer) exclusion zone that keeps people out. On April 26, 1986, Chernobyl’s reactor number four melted … Read more

NASA’s Mars rover Perseverance snags 7th Red Planet rock sample

NASA’s Perseverance rover now has seven Mars rock samples in its collection. The car-sized robot drilled into another Martian rock and socked away the resulting core, mission team members announced via Twitter today (March 8). It’s the seventh drilled sample that Perseverance has collected since touching down on the floor of the Red Planet’s Jezero … Read more

Amazon Rain Forest Nears Dangerous ‘Tipping Point’

The Amazon rainforest is teetering on the precipice of a dangerous tipping point, new research warns. It’s gradually losing its ability to bounce back after disturbances like droughts or other extreme weather events. With enough time and forest losses, scientists say, large swaths of the Amazon could fall into an unstoppable spiral that would transform … Read more

Nuclear fusion is one step closer with new AI breakthrough

The green energy revolution promised by nuclear fusion is now a step closer, thanks to the first successful use of a cutting-edge artificial intelligence system to shape the superheated hydrogen plasmas inside a fusion reactor. The successful trial indicates that the use of AI could be a breakthrough in the long-running search for electricity generated from nuclear fusion — bringing its … Read more

China’s Yutu 2 rover beams back stunning image after 3 years on moon’s far side

Time-lapse imaging of Yutu 2 progress across the lunar landscape. (Image credit: NASA/GSFC/Arizona State University) China’s Yutu 2 rover has returned a view of its path over three years of travels across the harsh environment of the moon’s far side. The new images — released by Ourspace, a Chinese language science outreach channel affiliated with … Read more

Pioneering women in space: A gallery of astronaut firsts

Image 1 of 22 (Image credit: Roscosmos) First woman in space: Valentina Tereshkova The first woman in space, Valentina Tereshkova, blazed a trail for the many female spaceflyers who would follow. Tereshkova, a Soviet cosmonaut, was selected from more than 400 applicants to launch on the Vostok 6 mission June 16, 1963. She was 26 at … Read more

International Women’s Day 2022: 20 trailblazing women in astronomy and astrophysics

Image 1 of 20 (Image credit: Michelle Bridges / Alamy Stock Photo) Caroline Herschel (1750-1848) Caroline Herschel is the first woman credited with discovering a comet, and is also the first to receive honorary membership with Britain’s prestigious Royal Society. Herschel’s childhood passions included music, and she sang as a sopranos in several performances in … Read more