Decades of constant X-ray emission from the Helix Nebula’s white dwarf suggest debris from a Jupiter-sized planet steadily rains upon the star.
Whether a galactic environment has the right conditions for habitable planets to form could depend on how the black hole in that galaxy is rotating.
California will soon start using satellite technology to track down methane and other greenhouse gas emissions that may ...
A newborn star, a blast of glowing gas, and a distant spiral galaxy — all caught in one stunning snapshot by the James Webb ...