Cecilia Payne deduced that the sun is mainly made of hydrogen - but was encouraged to downplay her findings by her PhD supervisor. Mike Sutton takes up the story ...

Astronomers thought the Milky Way was doomed to crash into Andromeda. Now they're not so sure by Ruby Wright, Alexander Rawlings, The Conversation ...

Our Milky Way Might Not Crash Into the Andromeda Galaxy After All—New Simulations Suggest a 50-50 Chance of Merging Scientists previously predicted the pair of galaxies would merge in about five ...

The odds of a galactic collision in our distant future are much lower than we thought, according to new simulations.

This merger – expected in about 5 billion years – has become a staple of astronomy documentaries ... The idea that the Milky Way and Andromeda are on a collision course goes back more than a century.

A mission to survey the results of a deliberate crash between an asteroid and a NASA spacecraft has taken stunning images of Mars and its moon Deimos ...

Neutron Stars: Crash Course Astronomy #32 Welcome to school without the classroom! Join host Phil Plait and discover everything there is to know about the cosmos.

Individual stars likely won't crash into each other because of the huge distances between them, so the galaxies will pass through each other and separate again — but not for long.

While we have a precise (and probably accurate) age for the solar system, we do not have precise ages for each planet.

What is a three-body problem? Why are some in China angry at the Netflix series? Global News spoke to experts to find out what is fact and what is science fiction.