"Even if a planet is in the habitable zone, if it has too small a water inventory, it transitions to an uninhabitable state." ...

Stargazers won't need any special equipment to view the four-planet alignment as it will be visible to the naked eye. However, if you have a telescope, you can spot two additional planets, Uranus and ...

A rare four-planet conjunction will be visible most of this month as Venus, Jupiter, Saturn, and Mars light up the sky.

On this date, Jan. 6, 1969, the Soviet Union launched the Venera 5 spacecraft, which was part of an ongoing mission to explore Earth’s sister planet, Venus. Venera 5 successfully entered Venus’ ...

Billions of years ago, in the frigid outer reaches of our solar system, two icy worlds collided. Rather than destroying each ...

I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the ...

The Federal Aviation Administration (FAA) lists the mission as Starlink 6-71. As of Sunday, SpaceX confirm ed they are targeting a three-hour window which opens at 12:21 p.m.. The SpaceX Falcon 9 ...

NASA's James Webb Space Telescope has captured a unique image that revealed 44 individual stars in a galaxy 6.5 billion light ...

NASA's Apollo 8 mission in 1968 became the first human spaceflight to reach the Moon and back but an image repeatedly ...