A recent study of data from multiple missions shows the Red Planet may get its name from an iron mineral that formed when ...

The Winter Circle (or Winter Hexagon) isn’t a constellation. It is an asterism, made of bright stars in the winter evening ...

Like our moon, Deimos is tidally locked to Mars, meaning the same side always faces the planet—the only side visible to ...

Americans will have to stay up late or get up really early this week to see the latest celestial event – a total lunar eclipse. The Sun, Earth, and Blood Moon will align on Thursday night and Friday ...

Sky-gazers across the Western Hemisphere will be in for a celestial treat this week when the full moon appears to turn ...

Astronomers are ready to search for the fingerprints of life in faraway planetary atmospheres. But first, they need to know ...

In February 2025, conditions were just right to catch a "planetary party" above the European Southern Observatory's (ESO) ...

Robert Zubrin, the planet’s leading strategist for landing humans on Mars, predicts SpaceX’s Starship will win the race to ...

Suzanne Stewart Staff Writer Planetary Science Institute Senior Scientist Hanna Sizemore was the guest speaker at the ...

When a mudflat crumbles on Earth, or an ice sheet splinters on one of Jupiter's moons (Europa), or an ancient lakebed breaks ...

A team of Chinese and foreign scientists has discovered underground sedimentary layers on Mars that appear to have been shaped by oceanic activity, providing new evidence that water once existed at ...

NASA’s Europa Clipper is using Mars and Earth’s gravity to travel efficiently to Jupiter. The spacecraft will study Europa’s ...