Hycean worlds, which are a possible kind of exoplanet with deep oceans surrounded by a thick envelope of hydrogen, could ...

New data further challenge the best scientific theory of the history and the structure of the universe. But a separate recent ...

When Boeing’s Starliner spacecraft malfunctioned, Williams and Wilmore became long-term residents on the space station—and ...

Fluffy strands of cosmic gas and dust illuminated by bright young stars form a beautiful cloudscape in a neighboring nebula.

How Much Does It Cost To Go To Space?

NASA’s newest space telescope rocketed into orbit Tuesday to map the entire sky like never before — a sweeping look at hundreds of millions of galaxies and their shared cosmic glow since the beginning ...

Researchers worry an “extinction-level event” is coming for space science as the Trump administration looks to slash spending ...