This is what the surface of a comet looks like.

Let's take a quick look at the records set by the Apollo 15 mission in 1971. The largest payload of 45,500 kg delivered to the Moon's orbit, 295 hours, the longest manned mission to the lunar surface, and the first...

Crew Dragon 5 and Soyuz MS-22 are the only safe landings for humans. Everything else is filled with waste and burned up on its journey through the Earth's atmosphere. The leak is in Soyuz MS-22. The plan is to launch...

This is an image of astronomer Daniel Riley from the IC astronomy observatory in Spain.