Using two infrared space telescopes and a 23-year gap, scientists may have spotted a mysterious, slow-moving object beyond ...

The discovery of Eos, the closest known molecular cloud to Earth and one of the largest structures in the night sky, hints at ...

An international team of researchers has discovered a massive molecular cloud that, if we could see it in our sky, would ...

The dark nebula is part of the Circinus West molecular cloud, which stretches for 180 light-years, containing a mass 250,000 ...

A rare and dramatic scene unfolds 140 light-years from Earth. A rocky planet, once whole, is now crumbling to dust under the ...

An awe-inspiring look at how scientific knowledge builds upon itself gradually – one ingenious measurement at a time ...

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

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

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

The planet orbits its host star in just 30.5 hours, losing a mass of material roughly equal to Mount Everest each time ...

In the grand puzzle of the cosmos, one question continues to defy easy answers: how fast is the universe expanding?

The trio is a rarity—and when all of its unusual traits are considered together, it is unique.