Researchers conducted the first-ever near-infrared analysis of an extragalactic recurrent nova and found it is one of the hottest nova explosions ever discovered.

What are the chances that, one day, we will discover on some distant extragalactic planet an ecosystem similar to ours on Earth? A planet on which life would have appeared in shapes as complex and ...

In these fields they identify more than 140000 extragalactic systems, including various astrophysical exotica: interacting galaxies, various types of active galactic nuclei, radio galaxies, and ...