A new trail in this southern Arizona city plots the most visitor-friendly astronomy stops—and there are plenty to choose from ...

"L 98-59 c could be the first planet smaller than 2 Earth radii with a definitively detected atmosphere," a team of ...

A new trail in this southern Arizona city plots the most visitor-friendly astronomy stops—and there are plenty to choose from ...

One of the great things about astronomy is that it’s always full of surprises, especially when it comes to comets — you just ...

Skygazers are still waiting for the celestial event of the year, when a dance between two stars 3,000 light-years away ends in a massive explosion and creates a new dazzling temporary "star" in the ...

From the Lyrid meteor shower in April to the dazzling Geminids in December, you won't want to miss these cosmic light shows ...

The spacecraft are the online giant’s entry into beaming wireless service from space, but the company has much to do before it can compete with SpaceX’s Starlink.

The first samples returned from the far side of the Moon suggest it's 10-100 times drier than the side nearer Earth.

"Every new result can reshape our understanding of planets, their habitability, and our place in this universe." ...

Using samples gathered from the Chang’e-6 mission, scientists found that the interior of the moon on the half we never see ...

For generations, sailors around the globe have reported a mysterious phenomenon: Vast areas of the ocean glow steadily at ...

Solar terrestrial planets refer to the first four planets in the solar system, i.e, Mercury, Venus, Earth and Mars. Out of these, Mercury is the smallest whereas Venus is the hottest. Earth, however, ...