Heat often comes from a planet’s formation and the decay of its radioactive elements. But smaller celestial objects like moons ... the Europa mission’s project scientist at the Jet Propulsion ...

Astronomers using the James Webb Space Telescope have captured breathtakingly detailed images of two giant exoplanets ...

Researchers armed with the Hubble Space Telescope have revealed that some of Uranus' largest moons have one side brighter ...

NASA's discoveries reveal water's prevalence beyond Earth, from subsurface oceans on moons to vapor in exoplanet atmospheres.

Scientists using NASA's Hubble Space Telescope went looking for evidence of one phenomenon and found quite another.

Earth’s companion has allowed astronomers to define lunar cycles, navigate without technology, and understand celestial ...

In about 4.5 billion years, the Sun will enter its red giant phase, swallowing Mercury and Venus and rendering Earth ...

NASA’s ambitious plan toexplore Europa, one of Jupiter’s most intriguing moons, has faced a significant setback. The agency ...

Some microbes happily thrive in unforgiving environments. An extremophile hunt is underway to leverage their resilience ...

Keep an eye out for June’s full strawberry moon, which will appear low in the Northern Hemisphere, as well as the Milky Way ...

The search for life beyond Earth is a holy grail quest for many experts, but finding where to look is a core issue.

June’s full moon, known as a “strawberry moon,” may appear reddish because of its low position on the Southern Horizon.