New discoveries raise questions about our universe's origins.

Dark matter battles dark energy to determine the universe's ultimate fate.

Scientists investigate whether life on Earth began somewhere else.

Scientists search for exoplanets that could be a new home for humanity.

Data from the Cassini spacecraft is still enabling new discoveries.

New discoveries reveal how close the planet is to an asteroid apocalypse.

NASA is on a mission to send humans to Mars within 15 years, but to reach this next frontier of space exploration, experts must discover brand-new technology and cutting-edge science that protects astronauts from the Red Planet's deadliest killers.

Experts discuss the search for extra-terrestrial life.

Experts investigate the secrets of the last stars of the cosmos.

Scientists investigate the real-world possibilities for time travel.

NASA's Juno spacecraft is part of a cutting-edge mission to explore the mysteries of Jupiter. As this mighty probe is pummeled with deadly radiation, it gathers new data that could change everything we know about the solar system's biggest planet.

Scientists seek to answer the question of whether the universe has an edge.

A journey to the center of the Milky Way reveals hugely powerful forces.

Scientists examine the voyage of the Earth through the Milky Way.

Explorers are risking their lives to lead humanity to worlds never seen.

Meet scientists across the world that are on the hunt for dark energy.