Jupiter’s moon Callisto passes near the planet’s northern limb, shortly before Io transits and Ganymede emerges from the gas ...

A bright Moon dominates the sky, passing two bright stars as Juno reaches opposition and Mercury dips toward the horizon in ...

NASA Jet Propulsion Laboratory director Laurie Leshin discussed various outer space endeavors in an earth and planetary ...

Look west this evening after sunset to catch a glimpse of bright Jupiter, slowly setting between the horns of Taurus the Bull ...

When it comes to understanding life in space, you’d think that an astrobiologist’s workload would be focused in, well, space.

Heat often comes from a planet’s formation and the decay ... at the Jet Propulsion Laboratory. The icy moon is far enough from Jupiter and the intense plasma-flooded space environment of Io that ...

K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know ...

From solar probes to deep space missions, these record-breaking human-made objects reached speeds that make bullets and jets ...

K2-18b, a potentially habitable exoplanet 124 lightyears away, may contain biomarker DMS, but its habitability remains uncertain.

Everyone was asking the same question: "Did we really find evidence of life on a planet outside of our own solar system ...

In fact, the life that could be — thriving on a distant ocean-covered planet named ... sent its uncrewed Europa Clipper spacecraft on a far-reaching journey to one of Jupiter's many moons ...