"Astronomers have been studying the heavens for thousands of years, but until recently much of the cosmos has been invisible to the human eye. Launched in 2003, the Spitzer Space Telescope has brought ...

It is 20 years ago this year that Europe, in collaboration with the United States, launched the first infrared observatory into space. Its infrared powers revealed a secret universe that, to this day, ...

Monisha Ravisetti was a science writer at CNET. She covered climate change, space rockets, mathematical puzzles, dinosaur bones, black holes, supernovas, and sometimes, the drama of philosophical ...

Frank J. Low, who helped astronomers extend their vision beyond visible light into a vast realm of previously invisible colors, revolutionizing the study of the birth of planets, stars and galaxies, ...