Life outside the Earth is one of the biggest "what if" in history, but NASA is trying to put a end to the discussion - or add ...

Nearly 400 years ago, Galileo looked at the Pleiades star cluster through his telescope and noticed that the seven or so ...

This picture of the moon’s south pole was taken in May by Resilience, a robotic lander operated by the Japanese company Ispace that probably crashed on the lunar surface on Thursday. Some people ...

Astronomers have long been intrigued by the makeup of the asteroid belt’s largest body. When it was first spotted in 1801, Ceres appeared dry and rocky, its surface marked by craters and dents.

Her mission, the Callisto Hidden Ice Probe, involves sending a rover to Callisto’s craters to test materials and gather clues about the moon’s climate to determine if it could have sustained ...

Since Callisto also has an intense ionosphere, the team decided to test their methods on 30-year-old measurements taken by NASA's Galileo mission. That mission launched in 1989 and scanned Jupiter ...

Is Callisto, Jupiter’s moon with the most craters and third largest in the Solar System, an oceanic world with life? Callisto, the outermost of the 95 Jovian moons, first caught NASA’s ...

Callisto, one of Jupiter’s largest moons, looks like a boring, crater-filled world. It doesn’t seem to have much going on compared to some of Jupiter’s other moons, like Europa.

Source: AGU Advances More pocked with craters than any other object in our solar system, Jupiter’s outermost and second-biggest Galilean moon, Callisto, appears geologically unremarkable. In the ...

Callisto, the outermost Galilean moon, is pocked all over with impact craters, indicating that its surface has changed little since the early days of its formation. Saturn's largest moon, enigmatic ...

The Valhalla crater on Callisto. (NASA) If the lava stays put, it will harden in that raised position. If it drains away, the elevation of the terrain will sink down, as we see with Haastte-Baad. The ...