Stars are known for being some of the largest objects in the cosmos, with some clocking in at upwards of 1,700 times the size ...

On July 11, 1979, the abandoned U.S. space station Skylab made a spectacular return to Earth as it burned up in the ...

Sunspot AR3089, which is facing towards the Earth, has now developed a delta-class magnetic field, meaning that it has built up enough energy that it may release X-class solar flares.

What causes the Delta Aquariid meteor shower? Meteor showers are usually caused by the Earth passing through streams of debris left behind by comets.

Mercury is notoriously difficult to see from Earth, thanks to its proximity to the Sun. But on July 4, Mercury reaches its ...

New research from an international team of scientists has identified the causes of changes affecting river deltas around the ...

A Delta flight was delayed over the weekend after video showed a pigeon flying around the cabin in the moments leading up to takeoff from Minneapolis.

A Boeing 737-900ER, operated by Delta, lost part of its wing flap during flight from Atlanta to Raleigh-Durham, landing safely with 109 passengers.

Since the unseen fiery deaths of Sputniks I and II, the edge of space near the earth had belonged to three small U.S. satellites, playing like baby bluefish in an ocean. Last week the Russians ...

A supercomputer may have just predicted when life on Earth will end, and, thankfully, it's going to be a long time from now.

Now, Delta is offering eclipse chasers another way to experience the April event. The flight announced Monday will be the second path-of-totality trip operated by the airline on April 8.

The Delta IV Heavy, a rocket that briefly bursts into flame just before it lifts off, is set to launch for the last time soon.