A new investigation into old Kepler data has revealed that a planetary system once thought to house zero planets actually has ...

Exoplanet HIP 67522 b, fluffed up to the size of Jupiter, circles so close to its star that it’s triggering violent flares — ...

Caption The Relative Size of the Planets Educational Notes The size of an object is the magnitude it holds as well as its dimensions. It describes how big something is. Size can be measured by area, ...

How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...

The Solar System may appear calm and well organized, but it is actually the result of billions of years of delicate cosmic ...

"We show how planets in binary systems can undergo a mirrored migration process, so that both stars end up with hot Jupiters.

Astronomers using the European Space Agency's Cheops mission have caught an exoplanet that seems to be triggering flares of ...

Astronomers have used the ALMA radio telescope to investigate how planets grow in protoplanetary disks of gas and dust around young stars.

The discovery of the exoplanet, a super-Earth called Kepler-735c, is all down to something called transit timing variations, ...

The planets in order from the Sun are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. If you include the ...

University of Arizona astrophysicist Erika Hamden takes readers on a romp through a "Weird Universe" in her debut popular ...

Learn about the history of planetariums, are turning 100 in 2025, and check out the special source of Canton's own light ...