NASA's EZIE (Electrojet Zeeman Imaging Explorer) mission has taken its first measurements.

The school-bus-sized observatory launched on April 24, 1990 and overcame early setbacks to become one of the most ...

After lighting all four blue flames and finding the Chess Room in Blue Prince, you may have noticed there's a breakable wall ...

The morning of April 24 will give rise to a striking mini-planetary parade, as Mercury, Venus, Saturn, Neptune, and Earth's ...

In groundbreaking photos, eclipse chasers captured the elusive solar corona during a partially eclipsed sunrise/moonrise in Quebec. It could change eclipse chasing forever.

The Lyrids are active from April 14 to 30 each year, with a peak on April 21-22. During the peak, observers can see around 18 meteors per hour under perfect viewing conditions. Fly ...

The Lyrid meteor shower is caused by the debris left behind by Comet Thatcher, which orbits the Sun every 415 years. As the Earth passes through this debris field, the particles, which are no larger ...

SINITAR/Shutterstock Electric lights have given us a lot, from nightlife to motion pictures to spelunking, but damn if the overwhelming light pollution of cities doesn’t make stargazing tricky. On a ...