Astronomers revisiting old observations from NASA’s Hubble Space Telescope have uncovered a clue that may solve a decades-old ...

Niobium, a heavy metal never before found in a white dwarf, shows up in the atmosphere of HS 0209+0832 at more than 1,000 ...

"What Hubble is showing us in this white dwarf system is something we haven’t seen before," said astronomer Jamie Williams.

A strange chemical signature in old Hubble observations may point to a planet that formed after its star had already died. Astronomers found unusually high levels of niobium around the white dwarf HS ...

The “second-generation” world, predicted from telescope data, could be the first known planet of its kind, and it may shed ...

For more than a quarter century, unidentified chemical signatures from a white dwarf star have laid dormant in the archive of ...

Add Yahoo as a preferred source to see more of our stories on Google. The NGC 2660 open cluster imaged by the Hubble Space Telescope. Hundreds of stars sparkle against the dark backdrop of space in a ...

Looking like a glittering cosmic geode, a trio of dazzling stars blaze from the hollowed-out cavity of a reflection nebula in this new image from NASA's Hubble Space Telescope. The triple-star system ...

The Hubble Space Telescope has seen a young planet whirling around a red dwarf star "getting the hiccups." The agency said the exoplanet is so close to its parent star, AU Microscopii, that is ...