Astronomers report the first star that would appear green to human eyes. The discovery involves a white dwarf whose strange atmosphere bends its color in ways n ...

A surprising new discovery shows that white dwarfs can glow in green, pink, and purple.

Astronomers have uncovered evidence of a rare second-generation planet orbiting a dead star, suggesting new worlds can form ...

“It’s a chemical signature no ordinary, ‘first-generation’ planet should carry, which told us that this new planet was something different,” added University of Wisconsin-Madison astronomer and study ...

As far-fetched as it may seem, quirks of orbital mechanics could allow hundreds of planets to be packed around a star ...

Way back in 1999, NASA's Hubble telescope gathered data from a white dwarf star codenamed HS 0209+0832 with 100 chemical ...

Our sun is about halfway through its life, which means Earth is as well. After a star exhausts its hydrogen nuclear fuel, its diameter expands more than a hundredfold, engulfing any unlucky planets in ...

A white dwarf’s unusual chemistry points to a giant planet containing material shed during the star’s death. If confirmed, the system would provide the first evidence of a second-generation planet ...

Star Trek: The next generation (of planets).

A second-generation planet might be orbiting a white dwarf, in an astronomy first, according to new research.

29 Cygni b is a massive object weighing around 15 times as much as Jupiter and with 150 times the heavy elements of Earth. So, is it a planet or a star? Astronomers used the James Webb Space Telescope ...

Four planets will stretch across the morning sky in November 2026, creating a celestial display visible without a telescope.