Space

The first thing to know about a new comet that has appeared in the evening sky is that it's one big ice ball: about 5 kilometers (3.1 miles) across.

A rocket ship built by Elon Musk’s SpaceX company thundered away from Earth with two Americans on Saturday, ushering in a new era of commercial space travel.

The launch Wednesday afternoon will be the first of Americans from the U.S. in nearly a decade.

SpaceX launched another cargo mission to the International Space Station Friday, successfully landing the flight's rocket booster for the 50th time in the last five years, the

It's time to set your clocks ahead!

NASA says Katherine Johnson, a mathematician who worked on NASA’s early space missions and was portrayed in the film “Hidden Figures" has died.

Stardust discovered in a meteorite that landed in Australia more than 50 years ago is up to three billion years older than our solar syst ...

A rocket launch will likely dazzle sky-gazers throughout the region early Sunday evening.

Astronomers observing white dwarf stars see spectrographic signatures of previously orbiting gas giant planets. Our gas giants (Jupiter a ...

49ers, Chiefs & Punxsutawney Phil This Superbowl Sunday coincides with Groundhog Day – the first cross-quarter da ...

As private companies race into orbit, some experts in satellite operations say there isn't enough public infrastructure to keep all the satellites safe.

Two astronauts aboard the International Space Station conducted the final spacewalk Saturday to finish a series of repairs on a cosmic ray detector attached to the spacecraft.

There’s the asteroid belt that we all know between Mars and Jupiter; there’s the Kuiper Belt out beyond Neptune, the most famous inha ...

The dim red star Proxima Centauri, 4.2 lightyears from Earth, is known to have an EarthPlus-planet in the star’s habitable zone. Now a ...

Supernovae are known as element factories, but astronomers are now discovering that merging neutron stars and fast-spinning supernovae ma ...