Is this a volcanic exoplanet? Hints are in its atmosphere

Artist’s concept of L 98-59 d, a super-Earth world 35 light-years away. Now, new results from…

Are large asteroids hidden in this annual meteor shower?

View at EarthSky Community Photos. | Richard Swieca in Ste Agathe des Monts, Quebec, Canada, caught…

First close-up image of a star outside the Milky Way

This is the first close-up picture of a star outside the Milky Way galaxy, WOH G64.…

A runaway star moves fast in an unusual direction

This Hubble Space Telescope image shows a cloud in space where new stars are forming –…

More evidence for ancient ocean on Mars from Chinese rover

View larger. | Artist’s concept of an ancient ocean on Mars. A new study of data…

Red monsters were massive galaxies in the early universe

Watch as EarthSky’s Will Triggs talks about red monsters, massive galaxies in the early universe. The…

MOND and more. Does the universe need a rethink?

Our current cosmology says cold dark matter helped small galaxies form in the early universe. But…

1st intentional signal to space sent by Arecibo 50 years ago

On November 16, 1974, the Arecibo Observatory beamed the 1st intentional signal to space. Image via…

Estimating the odds for intelligent life in the multiverse

This Hubble Space Telescope image captures a triple-star system, which can host potentially habitable planets. Our…

Uranus mysteries solved with Voyager data

NASA’s Voyager 2 captured this image of Uranus while flying by the ice giant in 1986.…