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 ...

"I'm the most jazzed about the all-sky nature of the observatory — SPHEREx ... Baltimore County who's studying exoplanet atmospheres at NASA's Goddard Space Flight Center, told Space.com.

The night sky is delivering a rare spectacle ... giving the Earth’s only natural satellite that colour. The totality phase, during which the moon is entirely covered by Earth’s shadow ...

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 ...