The case of mistaken identity was quickly resolved, but astronomers say it shows the need for transparency around craft in ...

In this episode, Dave Eicher invites you to go out and watch a close pairing of two naked-eye planets: Venus and Saturn. The ...

Because the period of an object does not depend on its mass, comets’ orbital periods remain unchanged due to mass loss.

This rare quasar with spiral arms could help astronomers understand how supermassive black holes feed and grow.

Found less than a billion years after the Big Bang, these massive objects are upending astronomers’ timeline for how early ...

Extractable water near the south pole of our closest celestial neighbor promises a new spark for future space explorers.

Plus: Saturn’s moon Iapetus is visible, our Moon passes the bright star Spica, and Mars skims south of Pollux in Gemini in ...

The lanes and clouds of dust in the star-forming Orion Nebula (M42) reveal a dark dimension to this familiar object.

The Red Planet comes closest to Earth, disappears behind the Moon in an occultation, and finally reaches opposition in the ...

These massive currents carry material on a journey through and around star-forming galaxies before they settle and form stars ...

After exploding, the craft sent blazing debris across the sky and forced multiple aircraft flying over and near the Caribbean ...

Astronomical observatories use several techniques to compensate for distortions in images caused by our atmosphere.