Astronomers using the James Webb Space Telescope have detected phosphine gas in the ancient brown dwarf Wolf 1130C, a discovery that contradicts years of predictions about how phosphorus behaves in ...

A 3-billion-year-old white dwarf, the core of a dead star, consumed an exoplanet from its former planetary system. Credit: NASA / ESA / Joseph Olmsted illustration A dead star core about 145 ...

A newly discovered dwarf planet could hold the key to unlocking the mysteries of our solar system’s outer reaches — but what could it mean for humanity's future in space? George Santos' prison ...

The Copernican Principle, named in honor of Nicolaus Copernicus (who proposed the heliocentric model of the universe), states that Earth and humans do not occupy a special or privileged place in the ...

More than 50 times further from the Sun than Earth, the tiny dwarf planet Makemake is one of the last places you'd expect to find an intact gaseous atmosphere. Not only is it incredibly cold, being ...

University of Warwick astronomers have uncovered the chemical fingerprint of a frozen, water-rich planetary fragment being consumed by a white dwarf star outside our Solar System. In our Solar System, ...

On August 24, 2006, our solar system lost a planet. It wasn't by cataclysmic destruction, but rather by the vote of the International Astronomical Union, which declared that Pluto, considered the ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Beyond the familiar planets lies a fascinating frontier filled with icy worlds, mysterious orbits ...

Astronomers had hoped to observe an atmosphere on one of the seven planets known to orbit Trappist-1, a red dwarf star. A new study found nothing to write home about. By Jacey Fortin In the search for ...

Is there a massive undiscovered planet on the outer reaches of the solar system? The idea has been around since before the discovery of Pluto in the 1930s. Labeled as planet X, prominent astronomers ...