"What surprised us, at the end, was how effective this type of impact could be in explaining Mercury's unusual structure ...

It was once thought that when an aging star engulfed a planet it would be a dramatic event. Now, the Webb telescope has ...

Turns out, it's as tough to drop inward into the inner solar system, as it is to head outward. The problem stems from losing ...

Meet the author: Dr. Phil Plait is an astronomer, author, and science communicator with a PhD in astronomy at the University ...

Venus—a hot planet pocked with tens of thousands of volcanoes—may be even more geologically active near its surface than ...

Mercury retrograde will take place in Aries, triggering misunderstandings and errors in communication. Here's what this could ...

Future missions to Venus could also supply additional data on the density and temperature of the planet's crust, which could ...

Nataliia Myronova, a psychic advisor and astrologer with spirituality website Nebula, says the first phase lasts from April 7 ...

The planets offer exciting views in April for both night owls and early risers. Plus, the Lyrid meteor shower peaks in ...