Observations revealed ongoing fireworks featuring short bursts and longer flares. Imagine solar flares, but magnified to an ...

The James Webb Space Telescope has shown that the Milky Way’s black hole is constantly blazing with light, releasing long ...

Clyde Tombaugh discovered Pluto in 1930 at Lowell Observatory in Flagstaff. Here's how Pluto won - and lost - its planetary status.

“New Horizons shattered a major paradigm of planetary science,” says Alan Stern, the mission’s principal investigator. “Pluto ...

Gaia-4b, a giant exoplanet orbiting a small star, is the first planet confirmed using Gaia’s astrometric technique.

LISA is set to revolutionize our understanding of the gravitational universe and the interactions that make the entire cosmos ...

The asteroid, known as Asteroid 2024 YR4, was first reported to the Minor Planet Center on Dec. 27, 2024. At the time, initial estimate said it had a 1.2% chance of striking Earth. The estimate ...

Because the Moon is over a quarter the diameter of Earth, the Earth-Moon system is often cited as the pairing in our Solar System that is the closest to being a double planet. How ...

Scientists using the Hubble Space Telescope have spotted a record-smashing galaxy wrapped in 9 rings of stars — along with the dwarf galaxy that violently plunged through its center.

"With an orbital period of 570 days, it is a relatively cold gas giant planet," said Guðmundur Stefánsson of the University of Amsterdam in a statement. This orbital period places it a little closer ...

One of the largest exoplanets to be found orbiting a relatively low-mass star has been discovered, thanks to the way the planet's gravity drags ... orange K-class dwarf with just 64% the mass ...