The video ranks the biggest cosmic threats to humanity, from rogue planets and black holes to supernovas, gamma ray bursts, ...

Add Yahoo as a preferred source to see more of our stories on Google. This illustration shows a possible view from Earth of the early stages of a predicted merger billions of years from now between ...

Multi-epoch Hubble Space Telescope imaging, tracked over five to seven years, has produced the first direct measurements of Andromeda’s motion across the sky, confirming that the Milky Way’s nearest ...

When it comes to the Milky Way and Andromeda galaxies, there’s a whole “will they or won’t they” thing going on. In 2012 scientists published their results of Hubble Space Telescope observations ...