Using one of the most powerful telescopes on Earth, astronomers have witnessed an intimidating 2-million-mile-per-hour (3.2-million-kilometer-per-hour) smash-up between galaxies at a dangerous "cosmic ...

The telescope, estimated to cost £2.6 billion ($3.2 billion), will use microlensing, a sophisticated technique that uses the gravitational field of stars to magnify and detect planets that might ...

Learn more › Viewing the night sky up close and personal with the help of a travel telescope is a magical experience. After all, many of us live in locations with far too much light pollution to ...