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A stunning planetary pair

Week of May 31 - June 6, 2026 Stargazers of ancient times, watching as the starry heavens turned about the world in which ...
Jupiter’s Ganymede — has a unique and inexplicable magnetic field. New research could finally explain it: the moon is heating up.
Previous studies suggested that after being captured, Triton moved inward and collided with Neptune's original moons. Scientists believe this event may have destroyed many of Neptune's early ...
The team still can't confidently rule out the existence of Europa's water vapor, especially as similar plumes have been more ...
Ganymede and Europa transit Jupiter tonight, while Io disappears in an occultation. West Coast observers can catch a double ...
A 67-foot airplane-sized asteroid named 2026 KF will fly close to Earth on May 22, 2026. Scientists are closely tracking the ...
WASP-94A b is a hot, tidally locked gas giant orbiting close to one of the stars in a binary system roughly 690 light-years away from Earth. In a new Science study, scientists led by Sagnick Mukherjee ...
Neptune’s third-largest moon, Nereid, could be an intact survivor from the planet’s original satellite system, upending ...
Neptune's mysterious, far-flung moon Nereid may be the last of the planet's original companions. Scientists at the California Institute of Technology reported Wednesday that they used NASA's Webb Spac ...
There are hundreds of moons in our patch of space. Some are tiny, some huge; some neatly spherical, some potato-shaped. Some ...