Is there another planet in the universe just like Earth?

Audible podcast Exoplanets explores the hunt to find planets like our own outside our solar system.…

Odd space circles show we are far from running out of cosmic puzzles

The discovery of Odd Radio Circles is just the latest thrilling reminder of how much more…

Circles in space made of radio waves are like nothing we've ever seen

Astronomers have discovered four circles of radio waves in space, but have no explanation for their…

The detector with a billion sensors that may finally snare dark matter

Dark matter must exist, but has evaded all attempts to find it. Now comes our boldest…

The Sirens of Mars review: Inside the hunt for life on the Red Planet

We once thought Mars had canals built by an advanced society. We’ve come a long way…

Pluto's tiny moons may have been chipped off its biggest moon

Pluto has one very large moon, Charon, and four tiny ones, leaving astronomers confused as to…

Astronomers have spotted six possible exomoons in distant star systems

Moons are ubiquitous in our solar system, but we have not definitively found any farther afield…

Three exoplanets are close enough for us to see their atmospheres

A star just 11 light years away is calm enough that we may be able to…

Electric dust could be erasing signs of life from the surface of Mars

Dust grains rubbing together on Mars can generate electric charges and kick-start chemical reactions that could…

Some hot giant planets get larger as they are heated by their stars

Hot Jupiters, a class of large gas giant exoplanets, appear to get bigger as they are…