Photo of the Day In about a week the Perseid Meteor Shower will reach its maximum. Grains of icy rock will streak across the sky as they evaporate during entry into Earth's atmosphere. These grains were shed from Comet Swift-Tuttle. The Perseids result from the annual crossing of the Earth through Comet Swift-Tuttle's orbit, [...]
Photo of the Day Taken on July 29 and July 30, a registered and stacked series of exposures creates this dreamlike view of a northern summer night. Multiple firefly flashes streak across the foreground as the luminous Milky Way arcs above the horizon in the Sierra de Órganos national park of central Mexico, The [...]
Explore This Section Science Uncategorized Helio Highlights: July… Home Framework for Heliophysics Education About Helio Big Idea 1.1 Helio Big Idea 1.2 Helio Big Idea 1.3 Helio Big Idea 2.1 Helio Big Idea 2.2 Helio Big Idea 2.3 Helio Big Idea 3.1 Helio Big Idea 3.2 Helio Big Idea 3.3 Helio Missions Helio Topics [...]
Explore This Section Science For Educators NUBE: New Card Game Helps… Overview Learning Resources Science Activation Teams SME Map Opportunities More Science Activation Stories Citizen Science 4 min read NUBE: New Card Game Helps Learners Identify Cloud Types Through Play Different clouds types can have different effects on our weather and climate, which [...]
NASA/Aubrey Gemignani A SpaceX Falcon 9 rocket carrying the SpaceX Dragon spacecraft Endeavour lifts off from Launch Complex 39A at NASA’s Kennedy Space Center in Florida on Aug. 1, 2025. NASA astronauts Zena Cardman and Mike Fincke, JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui, and Roscosmos cosmonaut Oleg Platonov are aboard the spacecraft. After [...]
5 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) Europa Clipper’s radar instrument received echoes of its very-high-frequency radar signals that bounced off Mars and were processed to develop this radargram. What looks like a skyline is the outline of the topography beneath the spacecraft.NASA/JPL-Caltech/UT-Austin The agency’s largest interplanetary probe tested its radar [...]
Skywatching Skywatching Home What’s Up Meteor Showers Eclipses Daily Moon Guide More Tips & Guides Skywatching FAQ Night Sky Network Venus-Jupiter Conjunction and Meteor Mojo Jupiter and Venus shine brightly in the mornings as they appear to graze each other in the sky on the 11th and 12th. The Perseids are washed out by [...]
A SpaceX Falcon 9 rocket carrying the company’s Dragon spacecraft is launched on NASA’s SpaceX Crew-11 mission to the International Space Station with NASA astronauts Zena Cardman, Mike Fincke, JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui, and Roscosmos cosmonaut Oleg Platonov onboard, Friday, Aug. 1, 2025, from NASA’s Kennedy Space Center in Florida. NASA’s [...]
6 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) Sea surface height can tell meteorologists a lot about extreme storms like hurricanes, including whether they will intensify within a day. This kind of information can help communities better prepare if a hurricane is headed their way. Hurricane Elena is seen here from the [...]
Explore Hubble Hubble Home Overview About Hubble The History of Hubble Hubble Timeline Why Have a Telescope in Space? Hubble by the Numbers At the Museum FAQs Impact & Benefits Hubble’s Impact & Benefits Science Impacts Cultural Impact Technology Benefits Impact on Human Spaceflight Astro Community Impacts Science Hubble Science Science Themes Science Highlights [...]
