Add Yahoo as a preferred source to see more of our stories on Google. The moon and Venus will shine vividly alongside a bright star in the early morning in a striking celestial rendezvous that should ...

The celestial phenomena known as “Steve” and “Picket Fence,” named for their unique appearances, were once thought to be auroras. However, recent studies suggest they are distinct phenomena. “Steve,” ...

According to experts, the fireball seen in Edmonton was likely hundreds of kilometers away from the city at the time of its appearance. Such events occur frequently, but only a fraction are reported ...

How could ancient astronomers observe and describe celestial phenomena with such precision without our modern instruments? This question finds new illumination thanks to Chinese writings nearly three ...

A conjunction is an astronomical event in which at least two planets – or, in this case, other celestial bodies – appear to our vantage from Earth to be close together in the sky. The trio of ...

Both of Friday’s Astronomical Unit lectures are related to celestial phenomena not discernible to human senses. David Grossman (left) explores how “sonification” represents the sounds of space, and ...