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

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

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 ...

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 ...

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

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

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

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

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 ...

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