The LIGO Hanford Observatory near the Tri-Cities and its twin in Louisiana detected ripples of time and space passing through ...

New research suggests that the Milky Way should be surrounded by as many as 100 undetected tiny and faint "orphan" galaxy ...

"Transitional millisecond pulsars are cosmic laboratories that help us understand how neutron stars evolve in binary systems." ...

"For the first time, we have identified the earliest moment when planet formation is initiated around a star other than our sun." ...

Trans-Neptunian objects (TNO) are some of our solar system's lesser-known objects. They number in the thousands, and they get ...

A collision observed between two black holes, each more massive than a hundred suns, is the largest merger of its kind ever ...

From a silhouetted space station to glowing comet tails and swirling stars, this year's ZWO Astronomy Photographer of the ...

"It is possible that a planet once existed in the solar system but was later ejected, causing the unusual orbits we see today." ...

For reference, Pluto’s average distance from the Sun is about 40 AU, so 2023 KQ14 is quite distant. At 23.4 billion miles (37 ...

So physicists have been on the hunt for any sign of difference between matter and antimatter, known in the field as a ...