Some of the universe’s densest objects can twist, stretch, and resonate in ways that challenge even the most seasoned physicists. Neutron stars, the remnants of massive stars that have exploded as ...

Moons orbiting sunless rogue planets could harbor liquid water oceans for up to 4.3 billion years, sustained by dense hydrogen atmospheres and tidal heating.

NASA’s James Webb Space Telescope reveals new clues about a mysterious cosmic explosion that defies expectations. Researchers are investigating an unusual event in deep space that has left scientists ...