Temperamental' stars that brighten and dim over a matter of hours or days may be distorting our view of thousands of distant planets, suggests a new study.

Fans are already complaining about Galactus' size in The Fantastic Four: First Steps, but in the end, it doesn't really matter.

NASA’s Transiting Exoplanet Survey Satellite (TESS) has been used to discover Earth-size planet TOI 700 e. It is "orbiting within the habitable zone of its star – the range of distances where liquid ...

New research shows that star activity can distort exoplanet measurements, affecting size, temperature, and atmosphere ...

NASA has been monitoring a never-before-seen planet in its solar system, which is eight times the size of Earth.

Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system.

The powerful Webb with its incredible sensitivity observed dust grains the size of bacteria, which will eventually coalesce ...

Discover interesting facts about how big earthquakes can get, why earthquakes happen, and why they're so hard to predict.

In August 2006, the International Astronomical Union made the controversial, but correct, decision to demote Pluto from its ...

This technique can give clues about the planet's size (by looking at how much starlight is blocked) and what its atmosphere is made of (by looking at how the planet changes the pattern of ...

The article humorously imagines how planets would describe themselves if they were dating profiles. Each planet has a unique ...