Add Yahoo as a preferred source to see more of our stories on Google. New NASA research hints that Ceres — the closest dwarf planet to Earth — may have once had an ancient "power source" that could ...

Two decades ago, Pluto was reclassified as a dwarf planet, sparking an enduring debate. NASA Administrator Jared Isaacman says he wants to “make Pluto a planet again.” ...

NASA’s New Horizons spacecraft has revealed evidence suggesting liquid nitrogen may have recently reached Pluto’s surface ...

Brown dwarf planet formation may be possible after Webb detected a disk around an object estimated at twice Jupiter’s mass.

Using the James Webb Space Telescope, scientists have detected gas on the distant dwarf planet, Makemake. Credit: NASA / ESA / Southwest Research Institute / A. Parker illustration Scientists have ...

NASA Administrator Jared Isaacman wants to put an end to a decades-long debate among scientists. Is Pluto a planet or not? Isaacman says it should be — but it hasn't been one for 20 years. That's ...

Scientists have found the first evidence that liquid may have flowed across Pluto’s surface in the recent past. Dark features on the enormous Sputnik Planitia glacier appear consistent with liquid ...

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 ...

NASA's Hubble Space Telescope detected material from a Pluto-like body spiraling into a white dwarf star 260 light-years away from Earth. Credit: NASA / JPL-Caltech / Tim Pyle illustration For the ...

Hubble has captured a dense, burned-out star in the act of consuming a Pluto-like object. Happening some 260 light years from Earth, the new observation, published in the Monthly Notices of the Royal ...

Looking ahead: The project is expanding with new initiatives, including "Backyard Worlds: Cool Neighbors" and "Backyard Worlds: Binaries," to utilize machine learning alongside human analysis and to ...