This gas needs an enormous amount of energy to shine — more than normal stars can supply. The discovery, based on data from ...

The Solar System is very tidy. You have four rocky planets near the Sun, and four gas giant planets further away. An asteroid ...

Ever since the dawn of the Space Age, humans have been obsessed with boundaries—between planets, between galaxies, and perhaps most importantly ... the boundary between the Earth's atmosphere and ...

NASA is releasing stunning photos taken by the Hubble Space Telescope to celebrate its 35th anniversary. Check them out below ...

Thirty-five years ago, the Hubble Space Telescope was launched into orbit. It's been sending back galactic data and images ...

By Dean Murray A jaw-dropping gallery of cosmic wonders marks the Hubble Space Telescope's 35th anniversary. The selection ...

The discovery was made on a massive exoplanet known as K2-18b that for years has captivated scientists searching for life ...