Hubble spots white dwarf star 'snacking' on chunk of Pluto-like object. The NASA/ESA Hubble Space Telescope has spotted a ...

There could be a ninth planet in our solar system that's lying in wait to be discovered - and no, it's not Pluto. Our solar ...

Even the best telescopes can’t see exoplanets. It’s all about watching for jiggly stars, blue shifts, and transits.

Astronomers may have uncovered a massive hidden planet far beyond Neptune, using decades-old infrared data. The object’s ...

While the 21st century has been bumpy, it has also ushered in monumental scientific and technological breakthroughs that have ...

The colliding objects are at least 37 miles across — at least four times larger than the object that collided with Earth 66 ...

In 2004, a bright point of light in the debris disk surrounding Fomalhaut was thought to be an exoplanet. But the spot ...

Lowell Observatory astronomer Dr. Qicheng Zhang has captured the first ground-based optical images of Comet 3I/ATLAS following its closest approach to the Sun, thanks to the unique low-horizon ...

Discovered in archival data, the newly identified exoplanet formed after the dinosaurs went extinct. In a finding that echoes ...

Located 446 light-years from Earth, this planet, dubbed 'HD 143811 b', orbits a 'binary system' where two stars swirl around a central point.

Scientists atop Mauna Kea on the Island of Hawai’i and across the Hawaiian chain are turning their telescopes skyward Friday ...

Young star systems are a place of violent collisions. Rocks, comets, asteroids and larger objects carom off one another and ...