Pluto was discovered in 1930 in Arizona, but in 2006 scientists decided to cut Pluto from the planetary line up. Here is why ...

To mark the 35th anniversary of the Hubble Space Telescope, Space.com looks at some of the most scientifically significant images that have emerged from the observatory's lens.

Scientists say ... July 11, 2024 — The International Astronomical Union defines a planet as a celestial body that orbits the sun, is massive enough that gravity has forced it into a spherical ...

No longer a planet but not forgotten, Pluto’s colors, captured by NASA almost 10 years ago, continue to dazzle among the collection of colorful celestial objects only seen in the solar system.

In a star’s core, fusion takes terrific temperature and pressure that is provided by the crushing gravity of the star’s ...

Pluto is back! His adventures searching for the mysterious dwarf planets continue! Welcome to SolarBalls! Space animation filled with fun, entertaining animations that also help you learn about ...

To solve this mystery, researchers proposed two main ideas. One was that waves from deep in the planet—gravity and acoustic waves—might travel upward and carry heat. The other was that the hot ...

Maybe a nearby planet wandered too close. It could have been attracted by other planets' gravity. Tidal forces ripped it apart as it approached the white dwarf. They dragged bits of the ravaged ...

New research suggests that Venus could be much more geologically active than previously thought. A groundbreaking study by ...

Convection currents have also been observed by NASA's New Horizons mission on the dwarf planet Pluto, which exhibits ... could collect high-resolution gravity measurements to help calculate ...

Convection currents have also been observed by NASA's New Horizons mission on the dwarf planet Pluto, which exhibits polygonal surface features resembling plate boundaries on Earth, according to ...

A planet must clear its orbit of other objects, but Pluto shares its space with many small icy bodies. Pluto is very small, even smaller than Earth’s Moon, so its gravity is not strong enough to pull ...