It's been one Neptunian year—or about 165 Earth years—since astronomers first observed the most distant planet from the sun.

Emily Kwong and Regina Barber of NPR's Short Wave discuss new findings about the ocean of Saturn's moon Enceladus, the secrets behind chameleons' eye movements and the energy use behind AI computing.

Astronomers recently detected a stray quasi-moon in our planet’s orbit, but it's hardly the first stowaway to hang out around ...

(THE CONVERSATION) Envision a time when hundreds of spacecraft are exploring the solar system and beyond. That’s the future that NASA’s ESCAPADE, or escape and plasma acceleration and dynamics ...

In a surprising turn, new images revealed that 3I/ATLAS lost its tail after passing close to the Sun. Typically, solar heat ...

Auriga is often gets overshadowed by other winter constellations such as the mighty hunter Orion or the Zodiac star-patterns ...

On Earth, CI chondrites make up only 1% of all meteorites that have been collected, but they may be far more common on the moon. Fragments of a rare type of meteorite have been found in the sample of ...

Scientists out of a Hawaii observatory reportedly discovered the new quasi-moon on Aug. 29 It is believed that the new moon will stick around for another 60 years A new “quasi-moon” has been found ...

An artistic rendering of a dust and gas disk encircling the young exoplanet, CT Cha b, 625 light-years from Earth. Full image, annotation, and caption shown below. Credit: NASA, ESA, CSA, STScI, ...

It’s been called a moonlet. Sister moon. You could even call it a moon “buddy,” a companion or quasi-satellite, if you will, to our steady lunar neighbor. Astronomers say a tiny asteroid, called 2025 ...

Has Earth acquired a second moon? Not exactly. Astronomers recently discovered a new quasi-moon. This asteroid with a diameter of 50 feet will be accompanying Earth as it orbits the Sun for the next ...

The image allows us to see our planet's brightness from space. When the U.S. National Oceanic and Atmospheric Administration's (NOAA) weather satellite GOES-19 turns its gaze toward the sun, ...