Heat from a comet exploding just above the ground in what is now the Atacama Desert in Chile fused sandy soil into patches of glass around 12,000 yeas ago.

Such a mission could be developed soon, allowing astrophysicists to take selfies of the solar system and use the Sun’s gravity as a lens to peer deep into space.

Back pain affects more than 50% of people who go to space, research indicates. The condition is now dubbed "space adaptation back pain."

A new way to make rocket fuel on Mars to launch astronauts back to Earth uses three simple ingredients: carbon dioxide, sunlight, and frozen water.

His space company Blue Origin hopes its venture will replace the International Space Station.

Many Silicon Valley entrepreneurs cooperate closely behind the scenes.

Mergers between two neutron stars have produced more heavy elements in last 2.5 billion years than mergers between neutron stars and black holes.