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

Although the occurrence climaxed on Jan. 21 with a conjunction—close alignment—of Saturn and Mercury, the planetary parade ...

Four planets will be in the parade in January, while seven will align in February. Here's how to see the events.

Hot Jupiters are giant planets initially known to orbit alone close to their star. During their migration towards their star, these planets were thought to accrete or eject any other planets present.

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

The chances of an asteroid striking Earth within the next decade has doubled in a matter of weeks, according to NASA ...

Certain extreme planets are called ultra-short period objects if they're very close to their stars and orbit them in mere hours, like K2-22b.

Spotting one or two of the planets in our solar system is well worth a good skywatch, but seeing (almost) all of them in a ...

All solar system planets have fairly circular ... which makes their orbits rather irregular. Their perihelions change significantly from orbit to orbit, and sometimes, they leave the solar system ...

This occurs when the planets' positions in their elliptical orbit around the sun line make them seem like they are close in the sky. "It’s happening because of the specific orbital speeds and ...

Hot Jupiters are giant planets initially known to orbit alone close to their star. During their migration towards their star, these planets were thought to accrete or eject any other planets present.