NASA astronaut Chris Williams will summarize his recent eight-month mission aboard the International Space Station during a press conference at 2:45 p.m. EDT on Tuesday, August 4 from the agency’s Johnson Space Center in Houston. NASA will broadcast this event live across a variety of platforms. Learn where to watch online: NASA Live US-based media
READ MORE
Each time the Moon covers the Sun during a total solar eclipse (darkening the daytime skies and briefly revealing the Sun’s ethereal outer atmosphere, the corona), new opportunities present themselves to better understand our star and its influence on Earth. On Wednesday, August 12, when the next total solar eclipse passes over Greenland, Iceland and
READ MORE
NASA astronaut Chris Williams is all smiles in this July 26, 2026 photo taken shortly after landing with Expedition 74 Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev in Kazakhstan. This was Williams’ first mission. Williams spent eight months aboard the International Space Station, where he supported a wide range of scientific research and technology demonstrations.
READ MORE
Receive the daily Popular Science newsletter💡 Breakthroughs, discoveries and DIY tips delivered six days a week. By registering, you confirm that you are over 16 years of age, will receive newsletters and promotional content, agree to our Terms of Use, and acknowledge the data practices in our Privacy Policy. You can unsubscribe at any time.
READ MORE
NASA will provide coverage as astronauts venture outside the International Space Station during three spacewalks in August to continue upgrading solar panels, replacing a communications antenna, and connecting power and data cables in support of space station operations. Experts will preview the upcoming spacewalks during a press conference at 2 p.m. EDT, Thursday, July 30,
READ MORE
A new study using data from NASA’s Hubble Space Telescope finds that star formation in the nearby Andromeda galaxy has seen a 500-million-year decline, with an even steeper decline over the past 40 million years. Andromeda, a spiral galaxy comparable in size to our Milky Way, is close enough to be seen with the naked
READ MORE
