NASA says its Hubble Space Telescope has detected a white dwarf star that consumed fragments of a Pluto-like object. Space ...

NASA's Hubble Space Telescope detected material from a Pluto-like body spiraling into a white dwarf star 260 light-years away ...

In a recent piece for my column The Universe, I wrote about the biggest black holes in the cosmos. Black holes are rather ...

On May 20, 1990, the Hubble Space Telescope sent its first image to Earth. This photo turned out to be 50% sharper than images from ground-based telescopes. In August of that year, Hubble made one of ...

NASA's advanced observatories have unveiled the Milky Way's hidden beauty, from its dense core with a supermassive black hole ...

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 ...

Data from the James Webb Space Telescope on exoplanet K2-18b has revealed the "strongest hints yet of biological activity ...

Kevin France, a professor of astrophysics at the University of Colorado Boulder, discusses the Habitable Worlds Observatory, ...

TRAPPIST-1e shows no signs of its first atmosphere, but hints of a secondary one remain. Liquid water could still be possible ...

An interstellar comet passing through the solar system contains a surprising mix of chemicals, findings that could help ...

Astrophotography used to be out of reach for smartphone owners, but if you have a newer iPhone, you might just be able to ...

As the comet gets closer to the Sun, the ice bound around its rocky core begins to sublimate, transforming into a gaseous atmosphere, or coma. The molecules in the coma fluoresce under solar radiation ...