Hubble discovered a white dwarf planet devouring a Pluto-like object, revealing debris rich in water and nitrogen.

For years, astronomers have been excited about the idea that some planets beyond our solar system might be covered by vast, ...

By studying the chemical composition of an odd, dying star, astronomers discovered that it had been feasting on what used to ...

NASA has confirmed 6,000 exoplanets, marking a major milestone in humanity’s quest to understand other worlds. From gas ...

Astronomers using NASA’s Hubble Space Telescope have witnessed a rare cosmic meal: a white dwarf star consuming pieces of a ...

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

Normally when a medium-size star dies, it blasts away the bulk of material in its system. The Hubble discovery was surprising ...

Will the Milky Way and Andromeda galaxies collide in several billion years? The odds have changed with a new study using 100,000 supercomputer simulations. Credit: NASA's Goddard Space Flight Center ...

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

This cosmic drama offers a unique glimpse into the future fate of our own Solar system and highlights the power of Hubble’s ultraviolet vision to probe stellar remains that would otherwise go ...

A new study challenges the dream of water-rich “Hycean” planets like K2-18b, suggesting that most sub-Neptunes lose their water deep into their interiors during formation. Instead of vast oceans, ...

For a quarter century, cosmology has leaned on one framework to explain how the universe expands. Known as the ΛCDM model, it ...