Stunning photos show bright comet lighting up the dark skies above ESO'sParanal Observatory, future home of the world's ...

From decades of astronomical observations, scientists know that most galaxies contain massive black holes at their centers.

Workers in Chile are making progress on the Extremely Large Telescope, planned as one of the most capable astronomical ...

Paranal’s facilities, however, should soon be outclassed by ESO’s under-construction $1.5-billion Extremely Large Telescope, or ELT, which boasts a light-gathering primary mirror nearly 40 ...

Space agencies have systems in place to spot, track, and forecast the future orbits of potentially hazardous asteroids.

Supermassive black holes are seen as sources of wanton cosmic destruction, but there may be more to their powerful influence ...

An steroid up to 300ft wide now has a 2.2% chance of colliding into Earth. It could prompt a space mission to intercept it.

Astronomers have characterized the largest-ever early-Universe radio jet. Historically, such large radio jets have remained elusive in the distant Universe. With these observations, astronomers have ...