From the lore and history of ancient Egypt, to the myths of Native Americans, and even the art of the Renaissance period, mankind's past is riddled with the evidence of UFOs.
Showing1to20of1903results
New technology may be able to explain where the edge of the universe is or what happens there.
New discoveries reveal the secrets of hundreds of strange, tiny worlds called dwarf planets.
New discoveries reveal how bacteria, viruses and other alien micro-organisms built life on Earth.
The discovery of extraterrestrial life might face a challenge: the physics of the universe itself.
Cosmologists say there are black holes throughout the Universe, but they've never seen one.
Quasars are the most powerful objects in the universe and ultimately destroy everything that exists.
The Milky Way will face the Andromeda Galaxy in a struggle that could create a new super galaxy.
Cutting-edge discoveries about the sun challenge everything known about its atmosphere.
The center of the Milky Way is home to strange and deadly phenomena that is difficult to understand.
New discoveries about neutron stars, strange and violent phenomena that defy the laws of physics.
Interstellar space is not empty and unremarkable as previously thought.
Uranus and Neptune are mysterious, icy worlds at the edge of the solar system.
Gravitational waves are helping scientists explore the cosmos in revolutionary, new ways.
The Earth and the planets were formed from the destruction of alien worlds that came before us.
If a massive asteroid collides with Earth, it could end life on the planet as one knows it.
New research suggests that white dwarfs may be the key to understanding the universe itself.
New discoveries reveal that black holes might have been essential to building the universe itself.
NASA's Juno spacecraft is part of a cutting-edge mission to explore the mysteries of Jupiter.
New discoveries reveal the secrets of nebulas, where stars are born and die.
A supernova hasn't occurred in 400 years, and the search is on to locate which star may be next.
Showing1to20of1903results
