Our search for exoplanets is focused on Milky Way stars. It's been successful, with more than 6,000 detected so far.

Astronomers have, for the first time, confirmed a colossal coronal mass ejection from a distant star, a blast so powerful it could strip the atmosphere from any nearby planet. Astronomers using the Eu ...

Astronomers studying extreme planetary systems have identified worlds so massive that they rival the smallest stars in size.

Astronomers using the James Webb Space Telescope (JWST) have made a groundbreaking discovery that could change our ...

JWST has detected rare silane gas in an ancient, oxygen-poor brown dwarf, revealing a key clue to why Jupiter and Saturn hide ...

Astronomers Watch a ‘Zombie’ White Dwarf Star Devour the Remnants of a Destroyed Planet — and Can’t Explain Why - © NASA’s Goddard Space Flight Center ...

In an ancient star system expected to be stable and dormant, scientists found a 3 billion-year-old white dwarf star still tearing apart massive quantities of rock. “The rate we’ve seen rock consumed ...

The end of this entry's definition reads: "The largest known dwarf planets are: Eris, Pluto, Ceres, Makemake, and 2015 RR245." Why is 2015 RR245 listed as one of the largest dwarf planets? For ...

A white dwarf is what’s left of a star, like our Sun, that reaches the end of its life. When stars use up all their energy, they expand into red titans, burning much hotter and brighter for a short ...

A 3-billion-year-old white dwarf, the core of a dead star, consumed an exoplanet from its former planetary system. Credit: NASA / ESA / Joseph Olmsted illustration A dead star core about 145 ...

In approximately 5 billion years, the sun will deplete its hydrogen fuel and collapse under its own gravity, becoming a white dwarf. Though Earth-sized, this dense remnant will retain much of the ...