The brightness of a star, with the energy of a black hole ...

A new sky map brings together 5.6 trillion pixels and nearly four billion celestial objects in a single public database. This ...

Pluto lost its planethood for a very specific reason. Whether or not that’s a good reason depends on who you ask.

The first dark comet—a celestial object that looks like an asteroid but moves through space like a comet—was reported less than two years ago. Soon after, another six were found. In a new paper, ...

Add Yahoo as a preferred source to see more of our stories on Google. This image provided by NASA shows X-rays from NASA’s Chandra X-ray Observatory (represented in blue) that have been combined with ...

(CNN) – A celestial object was spotted with the help of citizen scientists moving so fast through the Milky Way, that it could escape the galaxy’s gravity and go intergalactic. The object, which ...

Add Yahoo as a preferred source to see more of our stories on Google. The moon and Venus will shine vividly alongside a bright star in the early morning in a striking celestial rendezvous that should ...

A new study led by researchers from the Yunnan Observatories of the Chinese Academy of Sciences has developed a neural network-based method for large-scale celestial object classification, according ...

Logically we understand that the other planets in the solar system, as well as humanity’s contributions to the cosmos such as the Hubble Space Telescope and the International Space Station, are ...

Rumour is we recently passed a threshold where we have now found as many celestial objects as there are people who were ever born. Sounds weirdly true. But is it a myth or fact? I decided to ...