New research reveals a fourth planet in the Kepler-51 system, altering our understanding of this unique system with three ...

Exomoons are a hot topic in the science community, as none have been confirmed with astronomers finding new and creative ways ...

Year? A light-year is the distance light travels in one year. Light moves incredibly fast — about 186,000 miles (300,000 ...

Many people have heard of the Keck Observatory and the Hubble Space Telescope, but few realize just how many powerful ...

The Sun might be overdue for a storm stronger than any we’ve seen in recent history, based on an analysis of similar stars in ...

This past year saw some significant solar activity. This was especially true during the month of May, which saw more than 350 ...

When I asked readers on social media for suggestions about the coolest things they’ve seen in spaceflight during the last 25 ...

“We wanted to determine how often our Sun produces superflares; however, the duration of direct solar observations is ...