Ultra-sensitive radio telescope debuts in South Africa

Another piece of the Square Kilometer Array's puzzle just fell into place. South Africa has officially switched on MeerKAT, billed as the most sensitive radio telescope of its type on the planet. Some parts of the array have been gathering data, but...

Scientists validate theory of relativity on galactic level

Einstein's theory of general relativity is rather important when it's crucial to the modern understandings of the universe and technology like satellites. But does it hold up with something as vast as a galaxy? Thanks to researchers, we know the an...

First observed interstellar object is a speedy, cigar-shaped asteroid

Last month, astronomers running the Pan-STARRS 1 telescope in Hawaii spotted an intriguing object moving through our solar system and it became clear pretty quickly that the object, whether it was a comet or an asteroid, had come from outside of our...

Astronomers just measured a whole lot more than gravitational waves

A couple of weeks ago, the LIGO (Laser Interferometer Gravitational-Wave Observatory) and Virgo teams announced the detection of another set of gravitational waves -- the fourth since LIGO's first detection in September of 2015. The observations of t...

Long-delayed Thirty Meter Telescope gets the go-ahead, for now

Building the world's largest telescope has proven to be even more difficult than one might expect. The Thirty Meter Telescope, which has been planned for construction atop of Hawaii's Mauna Kea, has hit a number of snags, but it got a major approval...