The comet is now racing away from the sun following a close flyby on Jan. 20.

Learn more about the top theories about how life began on Earth, and how it may not have started from scratch.

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

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, ...

A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, scientists say.

Since the 1990s, scientists have discovered approximately 6,100 planets outside our solar system, called exoplanets.

Astronomers have uncovered a distant planetary system that flips a long-standing rule of planet formation on its head. Around the small red dwarf star LHS 1903, scientists expected to find rocky ...

This partnership provides AXA’s customers with the objective data needed to navigate environmental volatility and ...

A newly studied solar system breaks the usual planet pattern, raising fresh questions about how rocky and gas planets form.

The object is hurtling towards the Earth at a zippy 12,616 miles per hour, according to data from the space agency.

In a conventional system like our own, rocky planets such as Mercury, Venus, Earth, and Mars orbit closest to the host star. Farther out, gas giants ...