One of the youngest supernova remnants in our galaxy, Cassiopeia A glows with the energy of a star’s final breath.
The NASA/ESA James Webb Space Telescope has captured a stunning view of the Horse-head Nebula. It is the sharpest infrared imagery to date. The iconic nebula is about 1300 light-years away. Credit: ...
The findings provide the strongest evidence yet that asteroids may have planted the seeds of life on Earth and that these ingredients were mingling with water almost immediately.