Drifting alone through space, about 20 light-years away, is a world that refuses to fit in. SIMP 0136 isn’t a star because it ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), astronomers have discovered that aging stars in their so-called ...

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

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 ...

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

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

Astronomers have discovered that aging stars may be devouring their closest giant planets as they swell into red giants.

As telescopes have become more powerful, it’s turned out our solar system is not the only game in town: There are millions of ...

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

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 ...

There are no confirmed exomoons, moons orbiting distant exoplanets in other solar systems. There are a few candidates, but ...

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