Looking for a sky event this week? Check out our full Sky This Week column. January 16: Buzz the Beehive Saturn's largest ...

Life on our planet emerged quickly or, at least, it did so on a geological timescale. Fossils reveal that micro-life existed ...

Sky This Week is brought to you in part by Celestron. Friday 9Cygnus may be sinking toward the horizon a few hours after ...

A study by scientists at Penn State and NASA shows that intact biomolecules from dormant microbes break down much more slowly ...

Pollution is one of the biggest problems facing planet Earth, a consequence of poor practices and decisions made by humankind ...

Right now, our world is teeming with life thanks to all the oxygen, but Earth wasn't always like this. Researchers forecast ...

The solar system’s largest planet shines bright as the Moon wanes and Saturn’s moons dance in the sky this week.

So far, humanity has yet to find its first "exomoon"—a moon orbiting a planet outside of the solar system. But that hasn't ...

Could the icy moons of our solar system hold life beyond our planet? Keith Cooper looks at how planetary scientists plan to find out ...

A small, icy moon of Saturn called Enceladus is one of the prime targets in the search for life elsewhere in the solar system. A new study strengthens the case for Enceladus being a habitable world.

The afternoon of 7 August 1996 isn’t a time that sticks in many people’s minds. But if things had worked out differently, it might have been etched into our collective memory. At 1.15pm, US President ...

Astronomers using the James Webb Space Telescope have discovered an astonishing exoplanet that’s stretching our understanding of what’s possible for these distant worlds. And when we say say “stretch, ...