Climate

Roman … Missions Rogue Planets Home About Roman Mission Overview Why is Roman Important? Who is Nancy Grace Roman? Frequently Asked Questions Mission Timeline Partners Meet the Team Science Science Overview Dark Energy Dark Matter Exoplanets Large Area Near-Infrared Surveys Observing with Roman General Investigator Program For Scientists Observatory RomanContinue Reading

NASA astronaut and Expedition 74 flight engineer Chris Williams shows off the Destiny laboratory module’s Microgravity Science Glovebox aboard the International Space Station. Williams was supporting semiconductor crystal research to help advance the commercial space economy and promote Earth-based industries. NASA/Chris Williams NASA astronaut Chris Williams will recap his recentContinue Reading

Explore This Section … ROSES-25 Blog Amendment 68: New Opportunity:… Overview ROSES FAQ Blog ROSES Budget Redaction Grant Stats No Due Date Programs OSDMP FAQ Suborbital Program Program Officer List Volunteer to Review Proposals Dual-Anonymous Peer Review PRC FAQ Solicitations Solicitations Help & Support Announcement of Opportunity SOMA Community &Continue Reading

Explore This Section … ROSES-25 Blog Amendment 67: D.3 AGIGO:… Overview ROSES FAQ Blog ROSES Budget Redaction Grant Stats No Due Date Programs OSDMP FAQ Suborbital Program Program Officer List Volunteer to Review Proposals Dual-Anonymous Peer Review PRC FAQ Solicitations Solicitations Help & Support Announcement of Opportunity SOMA Community &Continue Reading

6 min read NASA Science Soars During August Total Solar Eclipse Each time the Moon covers the Sun during a total solar eclipse — darkening daytime skies and briefly revealing the Sun’s ethereal outer atmosphere, the corona — it presents new opportunities to better understand our star and its influenceContinue Reading

NASA/Bill Ingalls NASA astronaut Chris Williams is all smiles in this July 26, 2026, photo taken shortly after he landed 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 aContinue Reading

This artist’s concept depicts a tidal disruption event, which occurs when a star passes fatally close to a supermassive black hole. Crumbs of the splintering star heat up as they swirl around the black hole, creating a glow astronomers can see from far across the cosmos, and the black holeContinue Reading

OIIR OIIR Home OIIR Organization OIIR Export Control ECP Related External Links NOTE: Most of the links on this page reside outside of the NASA.GOV domain. Government Agencies and Departments Involved in Exports/Imports and Foreign Visitors/Foreign National Employees  White House National Space Policy of the United States of America NationalContinue Reading

NASA astronaut Jessica Meir works inside the International Space Station’s Quest airlock in March, her reflection visible in a spacesuit helmet visor as she installs leg and arm components and swaps parts between suits. Credit: NASA/Jack Hathaway NASA will provide coverage as astronauts venture outside the International Space Station duringContinue Reading

Lake fly larvae plunge more than 200 meters into Lake Malawi each day to hide from predators, using tiny air sacs to control their depth. A rubber-like material called resilin lets them expand or shrink the sacs by changing their pH. Their toughness challenges a popular explanation for why insectsContinue Reading

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 ScienceContinue Reading