Scientists are reflecting on lessons learned with the completion of removal this summer of the Caltech telescope from the ...

A star’s surface temperature can be used to determine the star’s luminosity and chemical composition. At best, a star’s exact ...

C.E, Chinese astronomers spotted a supernova and dubbed it the "guest star." The National Science Foundation’s (NSF) Víctor M ...

Astronomers find a way to measure temperature changes in a star with greater-than-ever precision, a breakthrough that ...

Thus far, the search for extraterrestrial intelligence (SETI) has used strategies based on classical science—listening for ...

A new catalog providing information on millions of distant galaxies, which determines their distances with unprecedented ...

The Gemini South telescope in Chile has been used by astronomers to detect a planet being devoured by its dying host star, a ...

A galaxy is robbed of its gas and stars in a new image from the European Southern Observatory (ESO). The spiral galaxy, ...

ALMA, the Atacama Large Millimeter/submillimeter Array, situated high in the Chilean desert, is the largest ground-based telescope on Earth. This is an insiders' account of how this complex ...

The Sun is the biggest fish in our small pond of a solar system, but it’s a mere minnow compared to the whales that dwell out in the cosmos. New telescope images show a gigantic star casually blowing ...

New observations show the bubbling surface of the red giant star R Doradus, a feat previously only achievable with the Sun.

The Giant Magellan Telescope will be one of the world's most advance ground-based telescopes once it is completed, but for now the challenge is to turn the finalized design for it's rotating enclosure ...