Skygazers have been waiting for over a year to see a recurrent nova that creates a temporary, super-bright star every 80 years or so. A new study suggests that it could finally happen this week — but ...

Videos posted on the X showed a blue orb in the night sky that was visible in the U.K., France and other countries.

Paris, France's capital, displays why it is known as the "City of Lights" in this photo taken from on board the International ...

Scientists have discovered a star-smothering black hole energy jet tearing through a galaxy similar to the Milky Way.

Frozen fuel from the Falcon 9 rocket launched Monday created a luminous display for several minutes, and was seen by people from England to Eastern Europe.

Dazzle of Darkness” was not meant to be a metaphor when Rebecca DiDomenico dreamed it up for the walls of the Boulder Museum ...

Our current best theories of the universe suggest that dark energy is making it expand faster and faster, but new ...