Beginning around sunset, Saturn will be situated closest to the horizon, followed by Mercury, Venus, Jupiter and Mars higher ...

"An epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey through hypothetical worlds and possibilities, some in distant corners of the ...

Lineups of four or five planets occur every few years, according to NASA. In late August 2025, four planets will be visible ...

Two Mars gravity assists are expected, and NASA astronauts Suni Williams and Butch Wilmore are finally set to come home from an extended stay on the International Space Station. Here are five space ...

Vincent Chevrier, associate research professor at the University of Arkansas Center for Space and Planetary Sciences, is part ...

This Friday, all seven planets will be in the night sky for a brief period. Join the cosmic spectacle and learn where to look ...

Mars’s red dust may contain ferrihydrite, an iron mineral that forms in water. This suggests ancient Mars had water for ...

According to NASA, multi-planet lineups are visible "every few years," but a seven-planet alignment is particularly uncommon, as each planet's orbit varies, with some moving more quickly and Mercury, ...

A new study may have revealed the true source behind how the Red Planet got its hue. It’s been long thought that Mars shines ...

During the past year, place names from the Grand Canyon have turned up on the surface of Mars. To find out why, author Scott ...

February ends with a treat for sky-gazers: a parade of seven planets across the night sky, including Mercury, Uranus and ...

New research suggests that interstellar objects like ‘Oumuamua and Borisov arrive near Earth far more frequently than ...