Using the James Webb Space Telescope, astronomers are working to confirm potential evidence of life on a distant exoplanet ...

Astronomers discovered a planet that orbits its star so closely that its surface is being scorched into magma and vaporizing ...

The school-bus-sized observatory launched on April 24, 1990 and overcame early setbacks to become one of the most ...

Astronomers have spotted a distant planet shedding matter with each orbit around its host star, generating a comet-like tail ...

Astronomers have stumbled upon yet another ghostly galaxy that appears to be devoid of dark matter, the elusive stuff that ...

How can you fairly compare one telescope to another? It's all in the (angular) resolution. The entire point of introducing ...

"The extent of the tail is gargantuan, stretching up to 9 million kilometers [5.6 million miles] long," said MIT astronomer ...

Astronomers have discovered that super-Earth exoplanets are more common across the universe than previously thought. While it can be relatively easy to locate worlds that orbit close to their star, ...

PSR J0311+1402 flashes every 41 seconds — quite slow for a pulsar. It could help bridge the gap between fast- and ...

Astronomers have confirmed a wandering black hole, about seven times the mass of the Sun, 5,000 light-years from Earth.

Astronomers confirm a wandering black hole in our galaxy’s Sagittarius region using Hubble and Gaia microlensing data.

Objects in newly discovered classes also tend to be faint because, again, bright objects will have already been spotted. This ...