Last chance! A rare plane parade is happening on Aug. 21 and it won't happen again until 2028. Here's when and how stargazers can catch a glimpse of this week's stunning spectacle.

@Starlit Astronomy: The many mysteries of Venus may be related to a massive celestial impact event. In the early solar system ...

NASA's MESSENGER mission has revealed that Mercury, the solar system's tiniest planet and the closest to the sun, hides a big secret. When you purchase through links on our site, we may earn an ...

The Solar System is home to a remarkable range of planets, from tiny rocky worlds to massive gas giants. But just how big are ...

The milestone highlights the accelerating rate of discoveries, just over three decades since the first exoplanets were found.

Early Earth lacked life’s essentials until a collision with Theia added them. This chance event made life possible. After the ...

A research team led by geophysicists at UC San Diego’s Scripps Institution of Oceanography provides an explanation for ...

A research team led by geophysicists at UC San Diego's Scripps Institution of Oceanography provides an explanation for ...

Curiosity Point 1: A catastrophic event turned Venus into a hellish world?