A Chalmers-led team of astronomers has for the first time observed details on the surface of an aging star with the same mass as the Sun. Alma’s images show that the star is a giant, its diameter ...

An artist's visualization of some of the spots on red giant XX Trianguli. | Credit: Viktor Varga & Ádám Radványi (Moholy-Nagy University of Art and Design, Budapest) Sunspots, which are temporarily ...

What happens at the end of our world? Scientists have found an Earth-like planet orbiting a star 4,000 light years away from the solar system that may reveal our planet’s ultimate fate. The rocky ...

New models suggest that Earth may avoid being swallowed by the Sun as it expands into a red giant. Life, however, will disappear long before then, leaving the planet as a barren world orbiting a white ...

The future is bright—too bright—for life as we know it once the sun transforms into a red giant star It’s impossible to forget just how much the sun affects life on our planet. It’s overwhelmingly the ...