Scientists say the threat of a newly discovered asteroid has risen slightly in the past few weeks as the world's telescopes ...

The head of planetary defense at the European Space Agency discusses 2024 YR4, an asteroid with a small chance of striking ...

In 2011, a project that surveyed the Milky Way galaxy for exoplanets — which are planets beyond our solar system — spotted an ...

For over a decade, the Hubble Space Telescope meticulously observed our closest galactic neighbor, capturing over 1,000 ...

After hundreds of hours of observations, researchers captured a highly detailed image of a long filament of the "cosmic web" ...