"We report the discovery of one of the most distant galaxies known to date," astrophysicist Joris Witstok told Newsweek.

GS-z13-1, marks the earliest sign yet spotted of the era of cosmic reionization at 330 million years after the Big Bang.

Neptune often looks slightly different in observations, as it has dark spots which appear periodically. But it can also be bright at times, as the observations of auroras there show: In the image ...

Viewers across Northern California sent us videos they captured of a light streaking across the sky on Monday, March 24. The sightings happened around 9 p.m. The light may be space debris. KCRA 3 has ...

A partial solar eclipse will become visible March 29 to several states in the northeast U.S. Here's what to know, including ...

Huge, eerie spiral lights up the sky – but there is an official explanation - Frozen exhaust fumes caused strange spectacle, ...

Some across the U.S. may again have a chance to see the northern lights Tuesday night as material hurled out by the sun ...

Auroras are possible over the U.S. tonight (March 25) as a "moderate" geomagnetic storm hits Earth. The Northern Lights could ...

A mysterious light blue swirl puzzled skywatchers from Britain to Croatia on Monday night. Many thought it looked like an ...

Stunned sky-watchers across the UK, Sweden and Slovenia rushed to social media to share pictures and videos of the event and ...

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

This 15-day Viking river cruise starts beside the 19th- and early 20th-century mansions of St Paul, Minnesota , before ...