16+ hour, 58+ min ago   (435+ words) Jemison, a medical doctor and engineer, spent 8 days in orbit on space shuttle Endeavour. On Sept. 12, 1992, NASA astronaut Mae Jemison became the first African American woman to go to space. In NASA's early days, women and people of color were…...

18+ hour, 58+ min ago   (219+ words) Osama Fathi captured this breathtaking view of Perseids cutting through star trails from Egypt's Western Desert on Aug. 13-14. Fathi imaged the star trails in 240 consecutive 25-second exposures, which captured the apparent motion of the stars in Earth's sky as they…...

1+ day, 8+ hour ago   (360+ words) "NASA's award decision appears to be inconsistent with the eligibility criteria mandated by Congress." Rocket Lab still holds out hope that it can build NASA's next Mars orbiter. The agency picked Blue Origin for that job earlier this month, awarding…...

1+ day, 9+ hour ago   (473+ words) September's new moon opens a dark window for seeing zodiacal light, the ghostly cone of interplanetary dust that rises above the eastern horizon before dawn. Some stargazing feels like you know exactly what you are looking for, but you're still…...

2+ day, 10+ hour ago   (310+ words) The Summer Triangle dominates the night sky long after summer begins to fade. So what makes Vega, Altair and Deneb a distinctly summer sight? On clear September evenings, I often find myself looking up just after dusk, expecting the sky…...

2+ day, 15+ hour ago   (333+ words) "It made us think that there's a process obscuring shortening structures." Wrinkles on the surface of Mercury have revealed that the closest planet to the sun is shrinking faster than scientists thought. New research suggests that Mercury is shrinking between…...

3+ day, 12+ hour ago   (649+ words) "When you look up at the night sky, most of those stars have planets." But while coronagraphs have been used many times before, the one that just launched toward the stars is unprecedented. "The Roman Space Telescope is carrying the…...