So in some sense, alien worlds were not first discovered in the 1990s or even the 1980s. It took nearly a century to fully ...

Europe's star-mapping Gaia space observatory has entered its retirement orbit, after gathering valuable cosmic data for more ...

After more than a decade of mapping the stars, the European spacecraft was shut down on Thursday. But its legacy lives on.

It’s relatively isolated in the northern sky, and is the region’s brightest ... the more it appeared to be an exoplanet, albeit one lacking a star to orbit. Breakthroughs, discoveries, and ...

Related: Exoplanets: Everything you need to know about the worlds ... "We are literally mapping the entire celestial sky in 102 infrared colors for the first time in humanity's history," Nicky Fox, ...

Stromatolites: You Can't Spell Mold Without Old One of the big problems with Kelvin's estimates for the age of the Earth was ...

Although not classified as an exoplanet due to its lack of a host star, its isolated nature and rapid 2.4-hour rotation make it an ideal target for detailed atmospheric studies. As the brightest ...

Although it is thought to have the structure and composition of a gas giant, it is not technically classified as an exoplanet because it doesn’t orbit its own star. The colors shown in the ... of its ...

Each creature has a single cell, about 20 thousandths of a millimeter in size, with a molecule inside that gives it its characteristic red color: astaxanthin ... in the discovery of more than 50 ...

The two exoplanets, or planets outside of our solar system, orbit a star called TOI-1453, which is slightly cooler and ...