Since its launch, the solar probe has completed 13 perihelions or close encounters with the Sun.

The stunning images came from a testing of the Solar Orbiter's cameras by the NASA and the European Space Agency.

The planet is so close to its star that it completes an orbit in just eight days,

An astrophysicist warned that Earth is prone to getting hit by a massive solar storm. Unfortunately, the scientist noted that it is hard to predict exactly when a catastrophic event will hit the planet.

A new planet-sized UFO was spotted by NASA’s observatory hovering near the Sun. In the video provided by the space agency, the UFO remained motionless even after getting hit by a massive solar explosion.

The discovery shows hot and dense planets like Mercury are not as rare as previously thought and could provide further insights into our solar system's history.

As we wait for NASA to reveal its latest findings on planets beyond our solar system, here is a list of some of the most potentially habitable exoplanets discovered so far.

A recent oil rush — and the accompanying avalanche of money — has reshaped Williston, North Dakota. But what becomes of a boomtown as crude prices collapse?

If the Mars One mission launches as scheduled in 2025, one of these individuals might be headed to the Red Planet.

NASA has observed a second solar flare in as many days. The agency is expecting more activity as the sun reaches solar maximum conditions.

The live stream of the super sunspot AR1785 begins at 11 a.m. PDT, 2 p.m. EDT on Tuesday.

The sun has let off some heat this week in the form of unusually strong class solar flares that have blazed from its surface letting of a giant ball of solar material.

The largest solar flare in several years has disrupted some communications, though it was not in the right position to create auroral displays visible from lower latitudes.