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Astronomers trace the striking pattern to an encounter between a big galaxy and a much smaller one some 50 million years ago.

Einstein predicted the existence of gravitationally-warped rings of light in 1915. Now, a new one has been discovered just a ...

A pair of astrophysicists with Aix- Marseille Université, CNRS, and Institut Universitaire de France have developed a new ...

Take advantage of a special 6-7 planet alignment from Earth's perspective. Planets 'line up' in the skies over California in ...

Tonight kicks off great week of star gazing in Pennsylvania, with the full moon rising next to Venus and a rare planetary ...

ASTRONOMERS may have just found the fastest exoplanet system in the galaxy – a super-Neptune world orbiting a hypervelocity ...

CAPE CANAVERAL, Fla. -- Europe’s Euclid space telescope has detected a rare halo of bright light around a nearby galaxy, astronomers reported Monday. The halo, known as an Einstein ring, encircles a ...

To get somewhere in outer space, you can’t exactly drive in a straight line. Orbits are tricky things, and sending a probe to ...

A POWERFUL telescope floating in space has discovered an extremely rare Einstein ring of light around a nearby galaxy. The ...

Known as planetary alignment, this rare event lets sky-gazers see six planets, including Neptune and Uranus, with a telescope ...

An event called a "ring plane crossing" will occur between Saturn and Earth on March 23, 2025, when Saturn's rings will ...