Astronomers have made an extraordinary discovery—for the first time, scientists have directly observed two alien planets disintegrating before our eyes. These exoplanets, orbiting different stars, are ...

An international team led by researchers in Japan and Europe has discovered a new multi-planet system around a Sun-like star, ...

Astronomers have discovered two exoplanets around TOI-1453, a star about 250 light years away. These two exoplanets, a ...

Since the outer planets take longer to orbit the sun than Earth, the Earth often laps planets on its journey traveling around ...

A planet-size object that possibly once visited the solar system may have permanently changed our cosmic neighborhood by warping the orbits of the four outer planets, a new study suggests.

The stars may not be aligning on Friday night, but seven planets in our solar system just may be. For weeks, outer space enthusiasts have been gearing up for a planetary alignment, or "planetary ...

NASA recently shut down Voyager 1's cosmic ray subsystem and Voyager 2's low-energy charged particle will also be deactivated ...

37,094 people played the daily Crossword recently. Can you solve it faster than others?37,094 people played the daily Crossword recently. Can you solve it faster than others?

Using the gravitational pull of a well-placed planet, such as Jupiter, to slingshot a spacecraft outwards can reduce the travel time dramatically Reaching the outer planets with a spacecraft is ...

"To get all seven in sky doesn't happen very often because some of the planets take a long time for their position to change, especially the outer planets of Uranus and Neptune. It takes Saturn 30 ...

Seven planets are aligning in the night sky this week, creating a brief chance to see a "planetary parade." Worldwide, the best day to see the alignment is today, Feb. 28. Mercury, Venus ...