About 50 light-years from Earth, a gas giant about half the mass of Jupiter orbits a sunlike star. The discovery of Pegasi 51 ...

Science history On the night of Oct. 5, 1923, Edwin Hubble observed a strange star that flickered in intensity at regular ...

Messages transmitted between two computers located about 380 miles apart would form the basis of what would become the internet.

“When the quark hypothesis was first proposed more than 10 years ago, there were supposed to be three kinds of quark. The revised version of the theory requires 12 kinds. In the whimsical terminology ...

“A ‘videodisc’ system that presents recorded pictures and sound on a television set will be put on the market next year by North American Philips Corporation and MCA Inc. The player looks somewhat ...