Students, professors, alumni and stargazers alike gathered to celebrate the life and legacy of Carl Sagan in a 90th birthday celebration hosted by the Carl Sagan Institute.

The story of the inner early Solar System goes something like this: Billions of years ago, there were three rocky worlds with oceans of liquid water. Perhaps all three could have been primed for life.

A team of astronomers has found that Venus has never been habitable, despite decades of speculation that our closest planetary neighbor was once much more like Earth than it is today.

In this episode, Dave Eicher invites you to observe the Moon passing by Saturn on the evening of December 7. Both objects at ...

Earth is an ocean world, with water covering about 71% of its surface. Venus, our closest planetary neighbor, is sometimes ...

Looking for a great gift for a young skywatcher? This Celestron Astromaster 70AZ is a fun starter telescope and it's 15% off ...

A team of astronomers has found that Venus has never been habitable, despite decades of speculation that our closest planetary neighbour was once much ...

We have studied the skies for centuries, but we have only found two objects known to come from another star system. The first ...

Astronomers have speculated for decades that Venus could once have been remarkably similar to Earth – and might have been ...

Today is your last day to save serious money on telescopes, but you'll have to be fast, here are 9 you won't want to miss!

Researchers at the University of Hawaiʻi are harnessing the power of the world's largest solar telescope and advanced AI to ...

Since arriving at the ISS on his fourth orbital mission earlier this month, Pettit, who at 69 is NASA’s oldest active ...