Dive into 25 cosmic mysteries science can't explain, from dark matter to dark energy. Explore the universe's most baffling ...

In the universe of Star Trek, humans had explored everything there was to discover on Earth, so it only makes sense that they started reaching upwards to the stars afterwards. The dark nighttime sky, ...

Space startup Astrobotic put its rotating detonation rocket engine (RDRE) to the test for the first time, demonstrating a ...

Measurements of this interstellar comet’s molecular makeup show an excess of heavy water molecules that is dramatically ...