December 18, 2019 17:53 pm
SAN JUAN, PUERTO RICO: A European spacecraft launched from South America Wednesday on a three-year mission to study planets in other solar systems.
July 1, 2019 09:33 am
The only total solar eclipse of 2019 will plunge parts of Chile and Argentina into darkness. Outside the 150km-wide path of totality, skywatchers will experience a partial eclipse. Winter cloudiness looms as the only potential spoiler.