Hubble Space Telescope is in trouble after gyroscope failure
The 28-year-old space observatory is currently in safe mode.
Researchers may have found the first signs of an exomoon
The Neptune-sized object is orbiting the star Kepler-1625.
Turns out the interstellar object ‘Oumuamua is a comet after all
It was thought to be an asteroid after it was first observed.
Scientists validate theory of relativity on galactic level
The test achieved an unparalleled level of precision.
Hubble space telescope spots the farthest known star
It's 100 times farther away than the previous record.
First observed interstellar object is a speedy, cigar-shaped asteroid
It has been traveling for hundreds of millions of years.
Long-delayed Thirty Meter Telescope gets the go-ahead, for now
Protesters vow to keep fighting its construction.
Hubble telescope spots evidence of water on Trappist-1 planets
There's a very slim chance the planets are habitable.
Early universe 'fireworks' challenge notions of how stars form
The ancient cosmos may have been packed with tiny star incubators.