Searching for life on other planets requires more than just measuring their distances from their stars. A future NASA ...

For the first time, astronomers say they have spotted a giant explosion released by a star beyond our solar system.

A new super-Earth GJ 251 c, located a mere 20 light-years from Earth, is shaping up as one of the most promising prospects to ...

Bundle up and blast off to the far reaches of our Solar System for Ice Giant Night at the historic Cincinnati Observatory.

Astronomers recently detected a stray quasi-moon in our planet’s orbit, but it's hardly the first stowaway to hang out around ...

The Sun, our nearest celestial neighbor, is undeniably a star, not a planet, as centuries of astronomical observations have ...

The X5.1-class eruption from sunspot AR4274 is this year's most powerful solar flare and Earth is in the firing line.

Astronomers are gathering evidence of a massive hidden planet lurking beyond Neptune. These endangered predators have finally ...

Just as Earth orbits the sun, most planets discovered beyond our solar system orbit a host star. But some are out there all ...

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

In 1949, famed mathematician and physicist John von Neumann delivered a series of addresses at the University of Illinois, ...