Pluto's 2006 status change from planet to dwarf planet is still a sore subject for many, including a fourth grader in Tampa, ...

Kaela Polkinghorn sat in the darkened dome theater of Tampa’s Museum of Science and Innovation and watched eight planets ...

NASA’s Hubble Space Telescope recently discovered a small moon orbiting an icy dwarf planet in the distant reaches of our solar system. MK 2 is 100 miles in diameter and is at least 13,000 miles from ...

"Please make Pluto a planet again. I really want it to be a planet again," Kayla begins, eliciting a response from the NASA ...

Astronomers announced they discovered the TOI-201 planetary system, which greatly expands our understanding of how solar ...

NASA has released a new video showing what it might be like to land on Pluto with a brand-new view of the dwarf planet's surface. The space agency’s New Horizons spacecraft spent about six weeks in a ...

Add Yahoo as a preferred source to see more of our stories on Google. Astronomers found that a 3-billion-year-old white dwarf, LSPM J0207+3331, is still feasting on the metal-rich remains of a ...

The Artemis II mission, which took four US astronauts around the Moon and to a record-breaking distance from Earth, was a ...

The Panel on Ocean Worlds and Dwarf Planets is one of six panels providing topical input to the Planetary Science and Astrobiology Decadal Survey Steering Group. This panel will discuss the role ...

NASA's James Webb Space Telescope has infrared vision that lets us peer through the dusty veil of nearby star-forming region NGC 1333. We can see planetary mass objects, newborn stars, and brown ...