New ETFs target the space economy, aerospace and propulsion technology, with one fund offering weekly dividend income from satellite and launch companies.

NASA plans to launch four astronauts on a long-awaited trip around the moon as early as April 1, the agency announced.

After postponing launch opportunities in February and March, the agency determined that four astronauts could proceed toward the first crewed lunar journey in more than 50 years.

How a team of divers accidentally uncovered debris from the tragic 1986 shuttle explosion resting on Florida’s ocean floor.

Our sun was born 4.6 billion years ago near the crowded center of the Milky Way and then migrated roughly 10,000 light-years outward to the peaceful galactic suburbs it currently occupies. Now a pair ...

The comet formed in a cold and distant part of the early Milky Way up to 12 billion years ago, putting it just under 2 billion years the age of the universe.