Is a sun a star or a planet? While science now agrees the sun is a star, new telescopes may soon challenge how we define ...

A new image has revealed the clearest glimpse yet of an interstellar visitor zipping through our solar system. The Hubble Telescope and its Wide Field Camera 3 got an incredible view of the comet ...

Astronomers have witnessed a young star, EK Draconis, unleash a powerful, multi-temperature plasma eruption, offering a rare glimpse into our Sun's vi ...

Newly discovered multi-wavelength view of a stellar eruption on a young Sun-like star is changing how we think about life's origins on Earth.