The Hubble Space Telescope was launched into space on April 24, 1990, ushering an array of scientific discoveries for the past 35 years.

At a famous 1950 lunch among physicists, Enrico Fermi wondered, "Where are all the aliens?" How far have we come toward ...

Alas, from every year of the 2010s, only one show can be picked as being number one, which in turn, establishes them as some ...

Solar Analog face (from left), Solar Dial ... time to see the phases of the moon and the positions of the planets in the solar system, or cycle through day and night views of Earth.

Wide space available for your copy. Looping Animation of Rocket Flying Through the Solar System Rocket, Planets, Venus, Mercury, Earth moon, Mars, Jupiter, Saturn, Uranus, Neptune, Sun sun and moon ...

(L. Calçada/ESO via AP) NEW YORK — A new Tatooine-like planet outside the solar system may orbit two failed stars, scientists reported Wednesday. Located about 120 light years away, the ...

With a lot of talk about space recently, have you ever wondered which are the hottest planets in the solar system? You'd think the closer you are to the sun, the hotter they must be. Now that's ...

NEW YORK (AP) — A new Tatooine-like planet outside the solar system may orbit two failed stars, scientists reported Wednesday. NEW YORK (AP) — A new Tatooine-like planet outside the solar ...

NEW YORK (AP) — A new Tatooine-like planet outside the solar system may orbit two failed stars, scientists reported Wednesday. Located about 120 light years away, the exoplanet appears to take ...

(M. Kornmesser/ESO via AP) NEW YORK (AP) — A new Tatooine-like planet outside the solar system may orbit two failed stars, scientists reported Wednesday. Located about 120 light years away, the ...

Astronomers have found thousands of exoplanets — worlds beyond our solar system. Most of them are in single-star systems, ...