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

The space station and one other Easter egg — the site of NASA's next human moon landing — are hidden in this lucky photo.

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

Scientists found Titan’s orbit is shifting faster than expected due to tidal dissipation. A recent cosmic event likely ...

Many photos McCarthy has taken of the space station in the past show the ship as a silhouette in Earth's shadow. This time he ...