What at first seemed a routine detection of an object travelling through the solar system soon turned out to be anything but.

When white dwarfs—the hot remnants of stars like our sun—are orbited closely by another star, they sometimes steal mass away ...

This stunning image dubbed 'Cosmic Owl' captures a remarkable moment in deep space, billions of light years away.

Ancient meteorite reveals a protoplanet formed in the outer Solar System earlier than thought, reshaping planet formation ...

Astronomers have spotted centimeter-sized “pebbles” swirling around two infant stars 450 light-years away, revealing the raw ...

For one, scientists observe a "cosmic fossil" called the cosmic microwave background (CMB). The first light that was free to ...

A wandering star from the depths of the galaxy could disrupt the orbits of the planets, fling Earth out of the solar system – and end humanity.

A team of international researchers led by Tomas Stolker in the Netherlands has imaged a young gas giant exoplanet near a 12-million-year-old star. The planet is orbiting a star whose planet formation ...

Astronomers have discovered thousands of exoplanets, some in the so-called habitable zone, but does that mean they could host ...