This new image taken of the skies above Chile’s Atacama Desert near the European Southern Observatory’s (ESO) La Silla Observatory shows bright red streaks in the sky known as red sprites. Red sprites ...

A rarely seen aerial phenomenon involving bright red streaks floating in the sky was photographed above the Atacama Desert in Chile on August 22. The mysterious lights, known as "red sprites," were ...

ESO’s La Silla Observatory, which is celebrating its 40th anniversary, became the largest astronomical observatory of its time. It led Europe to the frontline of astronomical research, and is still ...

The body of British astronomer Thomas Marsh, who went missing in September, has been found by Chilean police. Marsh, a 60 year-old-professor at the University of Warwick, was working at La Silla ...

The new BlackGEM telescopic array at the European Southern Observatory’s (ESO’s) La Silla Observatory in Chile has officially begun scanning the southern skies, searching for the sources of ...

A new robotic telescope has had first light at ESO’s La Silla Observatory, in Chile. TRAPPIST (TRAnsiting Planets and PlanetesImals Small Telescope) is devoted to the study of planetary systems ...

Every starry night 100 million stars are observed using telescopes in Chile and New Zealand. If the search identifies a stellar location with a possible microlensing effect, it is automatically ...

This new image taken of the skies above Chile’s Atacama Desert near the European Southern Observatory’s (ESO) La Silla Observatory, shows bright red streaks in the sky known as red sprites. Red ...

This image beautifully captures the zodiacal light, a triangular glow seen best in night skies free of overpowering moonlight and light pollution. The photograph was taken at ESO’s La Silla ...