Artist's concept of light flares along Sag A*'s accretion disk. (Credit: NASA, ESA, CSA, Ralf Crawford (STScI)) ...

Blanco Telescope and the Yale 1m telescope, part of the multinational Small and Moderate Aperture Research Telescope System ... a self-portrait with the Milky Way and Magellanic Clouds, I ...

There are trillions of charged particles – protons and electrons, the basic building blocks of matter – whizzing around above ...

Astronomers for the first time have deciphered the three-dimensional structure of the atmosphere of a planet beyond our solar ...

Astronomers have peered into an alien planet's atmosphere and found extreme weather unlike anything in the solar system.

Around a star 880 light-years from Earth orbits one of the wildest, most extreme exoplanets we've found to date.

NASA's James Webb Space Telescope is providing the best look yet at the chaotic events unfolding around the supermassive ...

A newly discovered star system in the heart of the Milky Way is moving at unprecedented speeds. Scientists believe this ...

NASA scientists have detected a star and trailing exoplanet that may be sailing through the Milky Way with unprecedented ...

Could our solar system have been temporarily exposed to an enhanced flux of cosmic-rays at some point in the ancient past?

In the Milky Way's central bulge, about 24,000 light-years from Earth, a peculiar pair of objects appears to be hurtling ...

A tiny star is making big moves — whether its accomplice likes it or not. Astronomers have spotted a star just a fraction the ...