Planet-forming disks, maelstroms of gas and dust swirling around young stars, are nurseries that give rise to planetary systems, including our solar system. Astronomers have discovered new details of ...
A comet named C/2023 A3 Tsuchinshan–ATLAS is making an 80,000-year orbit around the sun. Some have dubbed it the "comet of the century" because of its long tail and how brightly the comet might shine ...
The European Space Agency’s Hera mission and two satellites are on their way to survey the aftermath of NASA’s DART spacecraft, which intentionally hit an asteroid in 2022.