A new result using NASA’s Chandra X-ray Observatory shows that the outer spiral arms in the Milky Way galaxy may reach wider than previously thought. This finding may lead astronomers to adjust their understanding of our home galaxy’s structure. A…

Four Expedition 74 astronauts had a light duty day on Wednesday following the previous day’s spacewalk for external robotics maintenance. The remaining three crew members from Roscosmos focused on cardiac research and lab maintenance aboard the International Space Station.

NASA is recruiting research participants for the agency’s next simulated deep space mission. Beginning no earlier than August 2027, research volunteers will spend one year living and working in interplanetary environments at the agency’s Johnson Space Center in Houston, operating…

NASA air quality information is supporting CDC planning as World Cup crowds gather across North America.

A first-of-its-kind mission to raise the orbit of NASA’s Neil Gehrels Swift Observatory is poised for launch no earlier than Thursday, July 2, 5:09 a.m. EDT (9:09 p.m. UTC+12), from Kwajalein Atoll, part of the Republic of the Marshall Islands in the…

NASA’s James Webb Space Telescope is giving us new insight into the far-future of solar systems like our own, as the agency continues to reveal the secrets of the universe and our place in it. Billions of years ago, a…

Written by William Farrand, Senior Research Scientist, Space Science Institute Earth planning date: Friday, June 26, 2026 There were two planning cycles over this span of sols. The Monday planning took place with Curiosity situated within a unit that from…

Ray Jayawardhana begins his tenure today as the 10th president of the California Institute of Technology. His selection as Caltech’s president, and as the Sonja and William Davidow Presidential Chair and professor of astronomy, was announced Jan. 6. Jayawardhana succeeds…

For the first time, NASA’s TESS (Transiting Exoplanet Survey Satellite) mission has identified a planet orbiting a distant star thanks to ripples in space-time. Unlike the star-hugging transiting planets TESS regularly reveals, the newfound world is a super-Jupiter orbiting far…

The launch of Katalyst Space’s LINK, designed to boost the orbit of NASA’s Swift observatory, was postponed again Wednesday due to unfavorable weather conditions.

The Sun emitted a strong solar flare, peaking at 4:50 p.m. ET on June 30. NASA’s Solar Dynamics Observatory, which watches the Sun constantly, captured an image of the event. Solar flares are powerful bursts of energy. Flares and solar…

In celebration of the 250th birthday of the United States, NASA has unveiled four cosmic images from its Chandra X-ray Observatory rendered in red, white, and blue that represent the wonders of the universe the agency explores. The images are…

NASA astronauts Chris Williams and Jessica Meir concluded their spacewalk outside the International Space Station at 3:40 p.m. EDT. During the 7-hour, 20-minute spacewalk, Williams and Meir completed their primary objective to remove and replace a wrist joint on the Canadarm2 robotic…

Flight testing is a team sport. For nearly 80 years, teams at NASA’s Armstrong Flight Research Center in Edwards, California, have used flight testing to push the limits of aerodynamics and advance aviation. Earlier this year, NASA’s Crossflow Attenuated Natural…

Read this news release in English here. Nota del editor: Este comunicado se actualizó el 30 de junio de 2026 para aclarar la versión de desarrollo de ingeniería del rover PROMISE.La NASA anunció el martes la selección de tres empresas…

Notice ID: Coming Soon NASA’s Human Spaceflight Mission Directorate is seeking innovative ideas from industry partners through a new solicitation appendix under the NextSTEP-3 Omnibus Broad Agency Announcement. Appendix B: Moon Base Demonstrations calls for industry-led demonstrations, risk reduction, and…

Editor’s note: This release was updated on June 30, 2026, to clarify the engineering development version for the PROMISE rover. NASA announced Tuesday the selection of three companies to land four new missions on the Moon in late 2028 as…

We’re at the onset of summer skywatching, with a double feature of the Southern Delta Aquariids and alpha Capricornids in July and the dazzling Perseids approaching in August. Before we step outside to enjoy the celestial fireworks, we’re kicking off…

Spacewalkers Chris Williams and Jessica Meir successfully removed the wrist joint that malfunctioned on May 27 during Canadarm2 robotic arm operations. They now are working to install the replacement joint, which was already attached to the orbital complex.

This image released on June 26, 2026, features the globular cluster NGC 6723, sometimes called the Chandelier Cluster. Like its namesake, it sparkles with countless lights. However, each ‘lightbulb’ in this chandelier is an individual star 27,000 light-years away in…

NASA astronauts Chris Williams and Jessica Meir began a spacewalk at 8:20 a.m. EDT today to replace a wrist joint that malfunctioned during normal Canadarm2 operations on May 27.

Live coverage is underway as two NASA astronauts prepare for a spacewalk outside the International Space Station. The spacewalk is scheduled to begin at about 8:35 a.m. EDT and last roughly six and a half hours.

The launch of Katalyst Space’s LINK designed to boost the orbit of NASA’s Swift observatory, was postponed Tuesday due to unfavorable weather conditions.

NASA Ames Science Stars of the Month: July 2026 The NASA Ames Science Directorate recognizes the outstanding contributions of (pictured left to right) Sungshin Choi, Yi-Chun Chen, Emma Yates, Eduardo Bendek. Their commitment to the NASA mission represents the entrepreneurial…

The Northwest Earth and Space Science Pathways (NESSP) project recently concluded its 2025–2026 ROADS (Rover Observation And Discoveries in Space) from Earth to Venus National Challenge, a NASA Science Activation program student challenge that engaged more than 500 students on…