The Moon, left, Jupiter, right, and Saturn, above and to the left of Jupiter, are seen after sunset with the Washington Monument, Thurs. Dec. 17, 2020, in Washington. The two planets drew closer to each other in the sky as they headed towards a “great conjunction” on Dec. 21, where the two giant planets appeared a tenth of a degree apart.

NASA's Galaxy Evolution Explorer was launched on April 28, 2003. Its mission was to study the shape, brightness, size and distance of galaxies across 10 billion years of cosmic history.

In a historic first, all six radio frequency antennas at the Madrid Deep Space Communication Complex – part of NASA's Deep Space Network (DSN) – carried out a test to receive data from the agency's Voyager 1 spacecraft at the same time on April 20, 2024. Known as "arraying," combining the receiving power of several antennas allows the DSN to collect...

"What you eventually realize is that your success as a leader is not really yours, it’s the team’s. You’re not successful without the team, so it’s your ability to support, motivate, and guide the team that allows us to accomplish amazing things." — Dana Weigel, International Space Station Program Manager, NASA’s Johnson Space Center

Rising from turbulent waves of dust and gas is the Horsehead Nebula, otherwise known as Barnard 33, which resides roughly 1,300 light-years away. The NASA/ESA/CSA James Webb Space Telescope has captured the sharpest infrared images to date of one of the most distinctive objects in our skies, the Horsehead Nebula. Webb’s new view focuses on the illuminated...

The magnificent central bar of NGC 2217 (also known as AM 0619-271) shines bright in the constellation of Canis Major (The Greater Dog), in this image taken by the NASA/ESA Hubble Space Telescope. Roughly 65 million light-years from Earth, this barred spiral galaxy is a similar size to our Milky Way at 100,000 light-years across.