A puzzling image from the Huygens probe's 2005 Titan landing, showing river-like channels, continues to intrigue scientists.

Emily Kwong and Regina Barber of NPR's Short Wave discuss new findings about the ocean of Saturn's moon Enceladus, the secrets behind chameleons' eye movements and the energy use behind AI computing.

NASA has spotted what looks like green rain on Titan, Saturn's largest moon. The moon seems to glow a green color, which is ...

Looking for a sky event this week? Check out our full Sky This Week column. November 13: The Moon in Leo Titan is hidden by ...

Scientists have detected some of the oldest signs of life on Earth using a new method that recognizes chemical fingerprints ...

The idea of a moon having its own moon sounds strange but fascinating. People often wonder if a smaller object […] ...

NASA’s Goddard Space Flight Center has closed a third of its buildings since September (courtesy: NASA) NASA’s Goddard Space Flight Center (GSFC) looks set to lose a big proportion of its budget as a ...

Times listed are from The Sky This Week by Astronomy magazine, calculated for 40°N, 90°W. Central Wisconsin observers can expect sunrise, ...

Io, moon of Jespiter Jupiter, is famously volcanically active. It has more than 400 active volcanoes, over an area the size of Asia. Some of the volcanic mountains are taller than Mount Everest.

A decades-old image from NASA’s first landing on Titan still baffles scientists. What it captured has sparked 20 years of ...

Astronomers recently detected a stray quasi-moon in our planet’s orbit, but it's hardly the first stowaway to hang out around ...

The Eastern Veil Nebula is part of a colossal supernova remnant known as the Cygnus Loop. Dutch astrophotographer Cornelis ...