Star trails are the visible imprint of Earth's rotation. As our planet spins around its axis, the stars appear to sweep ...

Four lasers were directed into the skies above the European Southern Observatory's (ESO) Paranal facility in Chile. Each laser creates an artificial star, which astronomers use to measure and then ...

Swift observations with the European Southern Observatory’s Very Large Telescope (ESO’s VLT) have revealed the explosive death of a star just as the blast was breaking through the star’s surface. For ...

Four powerful Lasers enhance Observational Power of ESO's Paranal Observatory Lasers Activated: Four lasers were turned on at the European Southern Observatory's Paranal site to create artificial ...

Last week, four lasers were projected into the sky above the European Southern Observatory (ESO) Paranal site in Chile. The lasers successfully created an "artificial star" that astronomers can use to ...