A colossal structure in the distant Universe is defying our understanding of how the Universe evolved. In light that has traveled for 6.9 billion years to reach us, astronomers have found a giant, ...

What seemed like a throwaway nod to 'Star Trek' history in the 'Starfleet Academy' trailers may have something more to it. Reading time 3 minutes Star Trek loves itself an unsolved mystery to pick up ...

Scientists using a global array of radio telescopes have detected the universe’s lowest-mass dark object by observing how it warped light through gravitational lensing. The invisible mass, about a ...

Sixty percent of the oldest known galaxies seem to be rotating clockwise an asymmetry so extreme that one scientist described “any person looking at the image can see it.” The result, based on 263 ...

Scientists have found a remarkably small yet bright object from the early universe that doesn’t make sense in our existing models of how stars and galaxies formed, even our own Milky Way. That means ...

In 1977, a mysterious 72-second space signal was detected. Was it aliens? Explore the Wow! Signal. In 1977, astronomers detected the Wow! Signal, a mysterious 72-second radio burst from deep space ...

Much of the universe's regular "baryonic" matter is spread through intergalactic space and in diffuse halos around galaxies, researchers proposed after studying the behavior of fast radio bursts ...