The cold and remote planets originally earned their label of "ice giants" to contrast their interiors from those of Jupiter ...

Hubble Space Telescope observations of white dwarf star G238-44 has shown that it is "consuming both rocky-metallic and icy ...

On April 24, 1990, all 24,000 pounds of the Hubble Space Telescope were tucked away inside the Discovery space shuttle when it launched into space. Thirty-five years later, NASA says Hubble has proven ...

It’s not often that telescopes suspended in space have landmark birthdays like this one. Launched on April 24, 1990, NASA’s Hubble Space Telescope has orbited at about 320 miles above Earth’s surface, ...

Discovered on July 1 by the NASA-funded ATLAS telescope in Chile, 3I/ATLAS is only the third confirmed visitor from another ...

Still, science being science, we needed proof—and we got it in 1992, when two astronomers found two planets orbiting a pulsar ...

Astronomers using the Hubble Space Telescope have discovered a fourth moon orbiting Pluto. Pluto - for the record - is still classified as a dwarf planet. Astronomer Larry Wasserman of Lowell ...

Seeing the Aurora Borealis dance in the night sky is a bucket list item for countless people, but the enchanting phenomenon is not exclusive to Earth. Decades of research and the use of advanced ...

"L 98-59 c could be the first planet smaller than 2 Earth radii with a definitively detected atmosphere." A nearby Earth-size planet beyond our solar system could soon join the ranks of worlds with ...