"We will push the limits of what we can observe, and use every gravitational lens we detect with Roman to pin down the ...

Computer simulations show that planets could be flung out of the inner solar system, supporting the possible existence of a ...

A new landmark study has pinpointed the location of the universe's "missing" matter, and detected the most distant fast radio ...

For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

Webb has captured a frigid exoplanet in a wildly tilted orbit, revealing a system shaped by past planetary violence and ...

Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory ...

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

The idea of terraforming Mars—essentially reshaping the planet to support Earth life—has captured imaginations for decades.

Last week, we stepped out onto the back porch with the Bible skeptic Michael and looked up at the moon, stars and planets.

The exoplanet — named 14 Herculis c, or 14 Her c for short — orbits a sunlike star about 60 light-years from Earth in the ...

The 72-year-old will be reprising one of his biggest roles as he will once again star as Dark Helmet in the sequel to classic ...