New evidence shows that, far beyond Pluto, there may exist a hypothetical planet referred to as Planet X or Planet Nine.

Water isn't just delivered to planets by comets and asteroids — it can also be forged as worlds form, a new study finds.

At a young age, we're told how the sun warms Earth and makes life possible. That idea sticks with most of us for life. But ...

On Christmas Eve in 2023, a European Space Agency (ESA) spacecraft captured what looks like a barcode etched into the rusty ...

In a new book, NASA astrobiologist Caleb Scharf says the fate of life on Earth may hinge on leaving our planet behind ...

Using data from NASA’s TESS mission, scientists can estimate the size (radius) of potential planets orbiting distant stars. However, to verify that these objects are truly planets and not low-mass ...

Did you know that the current CO2 concentration in the Earth's atmosphere has peaked in the last million years? A further ...

We still don't know whether aliens - in the pop culture sense - exist, but it's becoming harder to ignore that life on Earth ...

Aging stars may be destroying the giant planets orbiting closest to them, according to a new study by astronomers at UCL and ...

A new space telescope with Irish scientific involvement goes into operation this week on a mission to study how stars behave ...

A distant gas giant the size of 10 Jupiters is now the first planet outside Earth's solar system to be mapped in three ...

We go hands-on with the new Hoyoverse game Petit Planet, an intriguing life sim with more than a few echoes of Animal ...