A mysterious object has caused a long-lasting and extreme dimming of a distant star, but is this object a 'failed star' brown ...

Astronomers have found evidence for a striped pattern of clouds on the brown dwarf Luhman 16A, illustrated here. The red object in the background is Luhman 16B, the partner brown dwarf to Luhman 16A.

Things are much bigger outside the solar system.

Astronomers have reported one of the longest stellar dimming events ever recorded, with a Sun-like star fading by 97 percent for nearly 200 days. Astronomers believe one of the longest stellar dimming ...

As shown in this graphic, brown dwarfs can be far more massive than even large gas planets like Jupiter and Saturn. However, they tend to lack the mass that kickstarts nuclear fusion in the cores of ...

When astronomers pointed the James Webb Space Telescope (JWST) at a faint object orbiting a distant star system, they weren’t expecting to find one of the universe’s strangest chemical ...