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.
Video offers peek at ultra-wide Large Synoptic Survey Telescope
Its 3.2-gigapixel camera is the largest ever.
That cigar-shaped asteroid might be covered in organic goo
Scientists also think the object has ‘a frozen heart’.
First observed interstellar object is a speedy, cigar-shaped asteroid
It has been traveling for hundreds of millions of years.
Researchers observe the first known interstellar comet
Its path suggests it couldn't have been trapped by the Solar System.
Stephen Hawking makes his doctoral thesis available online
He's taking advantage of modern technology to spark an interest in space.
Astronomers just measured a whole lot more than gravitational waves
Researchers around the world are collecting troves of new data from this latest event.
Long-delayed Thirty Meter Telescope gets the go-ahead, for now
Protesters vow to keep fighting its construction.