As binary neutron stars spiral around each other to merge, their gravitational tidal forces distort each other's shape and structure, potentially revealing clues as to what lies within them.
Astronomers have spotted the most distant and brightest "space laser" ever seen, blasting out from a distant galaxy collision ...
From phone boxes and flux capacitors to black holes and hot tubs, sci-fi has created plenty of ways to explore the fourth dimension.
A long time ago (1977, to be precise), the original "Star Wars" saga was born. What began with "A New Hope" quickly evolved into one of the most popular sci-fi franchises of all time, now with 12 ...