What does a comet have to do to stop looking like a smudge and start looking like a machine? Interstellar comet 3I/ATLAS ...

It leads off with a statistic that sounds almost trivial but masks a profoundly puzzling problem: interstellar comet 3I/ATLAS ...

Earth is about to see three total solar eclipses in just under two years, with each successive path of totality moving west ...

Regulus is the brightest star in the zodiacal constellation Leo. The waning gibbous moon shines close to the "kingly" star ...

Using the Whole Earth Blazar Telescope (WEBT), an international team of astronomers have performed long-term photometric ...

Size matters when it comes to telescopes. The bigger they are, the farther they can see. Prioritizing constructing large ones ...

An exosyzygy – an alignment of three celestial objects around another star – is predicted to happen later this year, but it ...

Christopher Nolan’s Interstellar created a black hole that would later turn out to be fairly scientifically accurate.

Most of the planets we’ve identified are in orbit around stars and formed from the disks of gas and dust that surrounded the ...

In a cosmic fireworks display, scientists have observed two objects colliding around a bright star 25 light-years from Earth.