The bold question-askers at What If question if octopuses could actually be alien life originating from a moon of Jupiter.

A new gas giant world discovered by citizen scientists using data from NASA's exoplanet-hunting spacecraft TESS is cool, ...

TOI-4465 b is a gas giant exoplanet about 25 per cent larger than Jupiter – the largest planet in our Solar System – and nearly six times its mass. The new planet has a temperature range of 375 to 478 ...

A11pI3Z is only the third interstellar visitor to be discovered, and astronomers can’t say yet whether it is a comet or a ...

Astronomers have spotted an alien planet orbiting so closely to its home star, the planet's magnetic field is triggering ...

New research suggests there may be a narrow window of possibility for life to persist on the icy moons of the outer solar system.

Spot overlapping meteor showers this month, along with the Moon sharing the sky with some of the brightest planets.

Researchers now appreciate that gas planets are more complex than first thought. New findings have implications for our ...

But a team of scientists has created a new way to answer whether aliens exist. Daniel Apai, an astrophysicist and astrobiologist at the University of Arizona, studies exoplanets – worlds that orbit ...

The Hubble Space Telescope has made multiple observations of exoplanet WASP-121 b, also known as Tylos. The extreme temperature changes the massive 'hot Jupiter'-type planet may make it rain iron at ...

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NASA launched two 12-inch gold-plated copper disks filled with the sounds of children's laughter, heartbeats, and bird calls.