The study focuses on ultra-diffuse galaxies: faint galaxies with masses of up to one billion suns—about one-thousandth of the mass of the Milky Way—that...
Science
Five years ago, NASA’s infrared Spitzer Space Telescope helped discover a family of seven rocky exoplanets orbiting the same star, known as TRAPPIST-1...
Sierra Space’s Dream Chaser will see its first mission to the International Space Station no earlier than December, a five-month delay from...
Earlier this week, the company lifted the massive “Super Heavy” first stage of its launch system onto a launch mount at the pad. The next step will...
With each campaign, the team explores and studies a new area. On this one, the rover is exploring the top of Jezero Crater’s delta. Perseverance has...