'How planets revolve' is possibly one of the first extraterrestrial phenomena that educators taught students at school. They are told that in this phenomenon, the planets move around the sun in fixed ...

Earth has a newly discovered—albeit temporary—companion in its journey around the sun. In research published this month in ...

In our own solar system, there are pretty good odds that you could stand on the surface of an asteroid and not even be able ...

My favorite planet, besides the one I live on, is on the rise in the low eastern Pottsville sky during evening twilight. It’s ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), astronomers have discovered two new exoplanets around a young ...

Why do all planets in our solar system orbit the Sun the same way? This documentary unravels the cosmic forces, from the solar system’s violent birth to the hidden laws of physics, that keep the ...

"The complexity of the exo-Neptunian landscape provides offers a unique window onto the processes involved in the formation ...

Astronomers have found a 19m-wide space rock that has been quietly hanging around Earth since 1957. This quasi-moon poses no threat.

(Prior to that, a few planets had been identified around stars that had burned all their fuel and ... There are Jupiter-size ...

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, Mars, ...

A team led by the Trottier Institute for Research on Exoplanets at the University of Montreal publishes the most precise study to date of the planetary system around the star LP 98-59. This ...