NASA's James Webb Space Telescope has been unwaveringly focused on our universe. With its unprecedented power to detect and ...

The first and most famous "failed star" discovered by humanity isn't one brown dwarf, but two! The duo comprising Gliese 229B are so tightly bound they orbit each other in 12 days.

So the brown dwarf that three decades ago was named Gliese 229B is now recognized as Gliese 229Ba, with a mass 38 times greater than our solar system's largest planet Jupiter, and Gliese 229Bb ...

With the help of the James Webb Space Telescope (JWST), a team of researchers has found the smallest brown dwarf we know of to date. And it's accompanied by two others, equally as mysterious. The ...

The first brown dwarf, called Gliese 229B, was discovered in 1995, but its mass was inexplicably large, says Jerry Xuan at ...

Brown dwarf binaries are thought to form like binary stars from the collapse of a massive cloud of gas to form two stellar bodies. In March 2024, using the Hubble Space Telescope, ...

Using the James Webb Space Telescope, astronomers have discovered the smallest brown dwarfs ever seen with the potential to ...

This illustration provided by Caltech depicts the orbits of brown dwarf twins, Gliese 229Ba and Gliese 229Bb, with a separation only 16 times larger than the distance between Earth and the Moon.

The twins orbit a small star about 18 light-years away. A light-year is 5.8 trillion miles. Astronomers have spotted brown dwarf pairs before, but these two whip around at much closer range.

“If the brown dwarf was closer and then moved out, that changes the whole dynamical environment of the system,” he said. “Maybe there were other planets that were thrown out, and what we see ...

Astronomers have now identified the tiniest brown dwarf, which is believed to be only three to four times the mass of Jupiter. The discovery was made using the James Webb Space Telescope, and it ...

So the brown dwarf that three decades ago was named Gliese 229B is now recognized as Gliese 229Ba, with a mass 38 times greater than our solar system's largest planet Jupiter, ...