Lightsails have the potential to reduce flight time to nearby stars from several thousand years to perhaps just a decade or two.

Whether a galactic environment has the right conditions for habitable planets to form could depend on how the black hole in that galaxy is rotating.

"If future observations confirm our predictions, it could completely change our understanding of how planets form..."

The European Space Agency’s Gaia spacecraft has been powered down, after more than a decade spent gathering data that are now being used to unravel the secrets

Astronomers have identified a bright hydrogen emission from a galaxy in the very early Universe. The surprise finding is challenging researchers to explain how

The number of satellites is exploding, and we still don’t have a fully safe way to dispose of them.

The astronauts were due to spend eight days on the ISS but ended up staying for nine months.

A fear of space can combine with suspicions about governments, leading us to embrace conspiracy theories.

When a spacecraft is too far from the Sun to use solar panels, it needs a different reliable source of power.