Scientists probe the sun to learn more about coronal mass ejections, violent periodic outbursts that disrupt Earth's electrical systems.
Exploring the various aspects of the cosmos.
Among the millions black holes in the Milky Way Galaxy are massive black holes with the greatest potential for destruction.
Scientists look out deep into space hoping to measure the size of the universe based on the relatively miniscule portion of space observable from Earth.
Scientists use Stephen Hawking's theory about the decay of black holes to determine when all matter and energy in the universe will finally dissipate.
Pete Conrad and Alan Bean make humanity's second trip to the moon and return with rocks holding valuable scientific secrets.
Scientists study the history of Mars and explore the possibility that it once contained life.
The Kepler space telescope helps astronomers explore the galaxy for other planets like Earth that are capable of supporting life.
Exploring Venus' history and how it diverged from Earth in its formative years to become a hot, acidic, lifeless world.
A run-down of increasingly powerful energy events from frigid clouds of gas to the hottest places in the universe and powerful black holes.
Astronomers reach far out into the cosmos using giant telescopes that peer into the earliest days of the universe to reconstruct its history.
Scientists explore the mysterious substance called antimatter.
Scientists win the Nobel Prize in Physics for discovering that the universe is infinitely expanding in all directions, changing the field of cosmology.
Several countries plan to send spacecraft to the moon, potentially leading to a permanent human presence in space.
Scientists discover the existence of black holes after studying gamma ray bursts from deep space.
Two Voyager spacecraft speed toward the boundary of the solar system, providing astronomers with valuable data about the cosmos.
Exploring the most destructive volcanoes that impacted Earth's history, triggering climate collapse and mass extinctions.
Exploring the possibilities and challenges of interstellar flight and the various reasons for heading out into space including exploration and survival.
Scientists develop new defensive technology to prepare Earth for a close encounter with a destructive asteroid.
Astronomers explore the fundamental workings of the universe and its energies through programs including Fermi, Swift, Chandra, NuSTAR and Hubble.
Two scientists design a starship using a black hole as its power source; exploring the feasibility of such a design and how far into space it could ferry human beings.
A collision detected in the Hydra constellation reveals what scientists believe to be the birth of a black hole from two neutron stars.
Scientists attempt to determine whether the many newly discovered exoplanets capable of supporting life actually have it.