The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Canadian astronomers have taken an extraordinary step in understanding how planets are born, using the James Webb Space ...

The four-planet lineup that began in January concludes by mid- to late February, as Saturn sinks increasingly lower in the ...

The solar system is portrayed as a dynamic, gossip-fueled family, with each planet offering snide comments about one another, ...

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

Predictions are uncertain, but the solar system may be pushed farther from the galactic core or even ejected entirely from ...

Take advantage of a special 6-7 planet alignment from Earth's perspective. Planets 'line up' in the skies over California in ...

While the composition of gas and dust in a molecular cloud is fairly uniform, everything changes once a star begins to form.

For the first time, astronomers have imaged dozens of belts around nearby stars where comets and tiny pebbles within them are ...

It is not often that all the planets in the Solar System other than ours are lined up across the night sky for us to see.