In 1936, astronomers saw a puzzling event in the constellation Orion: the young star FU Orionis (FU Ori) became a hundred times brighter in a matter of months. At its peak, FU Ori was ...

NASA’s Hubble Space Telescope has unveiled astonishing new details about FU Orionis (FU Ori), a young star in the constellation Orion known for its dramatic brightness outburst nearly a century ago.

‘Baby’ planets discovered by astronomers could help solve mysteries of planetary evolution ...

Thanks to a new high-tech gadget, astronomers have observed four planets orbiting a star relatively close to the sun in unprecedented detail, revealing the roughly ten-Jupiter-mass planets to be am… ...

"The material in the middle of the disk builds up in density and becomes unstable," Lynne Hillenbrand, professor of astronomy at Caltech, said in a news release. "Then it drains onto the star ...

"It’s nothing like our solar system in that the star is more massive and the planets are larger," said Lynne Hillenbrand, an astronomer at Caltech’s Palomar Observatory in California. The star is ...

While observing infant star Gaia 17bpi, astronomers saw part of its dense disk collapse onto its body below — adding mass at an incredible rate.

In 1936, astronomers saw a puzzling event in the constellation Orion: the young star FU Orionis (FU Ori) became a hundred times brighter in a matter of months. At its ...