Six planets are linking up in the sky at the end of February, and most will be visible to the naked eye. It’s what’s known as ...

The planet parade is back once again, and this time six planets will align in the sky. Here's when and what planets will be a part of the parade.

The planets are visible throughout February, "but they’ll be lined up best toward the end of the month,” NASA says.

An international team of astronomers has discovered a distant planetary system that challenges long-standing theories of how ...

Mark your calendars for the last week of February, because one of the coolest celestial events is coming up where six planets will be visible in the night sky at the same time. This phenomenon, known ...

New research using NASA’s James Webb Space Telescope examines the maximum sizes of gas giant exoplanets, measuring chemical compositions and formation processes in the HR 8799 system.

Scientists have identified a rocky outer planet in a system where a gas giant was expected. The discovery challenges ...

A newly identified planet candidate, HD 137010 b, looks strikingly Earth-like in size and orbit — but it may be colder than Mars due to its dimmer star. If it has a thick enough atmosphere, though, ...