astronomers found a planet orbiting the nearest star to Earth in this system, called Proxima Centauri. Graphic representation of the relative distances between the nearest stars and the Sun.

The probe will orbit the sun "close enough to pass inside a solar eruption, like a surfer diving under a crashing ocean wave, ...

"We have detected a sub-Earth planet with a mass about half ... star in the second closest stellar system to our Sun, after alpha Centauri stellar system." Finding the world required more than ...

NASA is gearing up for its Parker Solar Probe to do a final flyby of Venus on Wednesday on its way to make a record-breaking ...

The planet, located about 4.2 light-years from Earth, or 25 trillion miles (40 trillion km), is the closest of some 3,500 planets that have been discovered beyond the solar system since 1995 ...

It is considered the closest single star and second closest ... to the star’s surface than hotter stars like the sun. This means that any planet orbiting the star within their temperate zone ...

The planets' positions during totality on April 8. The closest planet to the sun during the eclipse—and almost always—is tiny Mercury. That will be too faint to see during totality.

The Parker Solar Probe was launched in 2018 on the mission to "touch" the Sun. It is just about the size of a small car.

A planet has been discovered orbiting the closest single star to our Sun. Using the European Southern Observatory’s Very Large Telescope (ESO’s VLT), astronomers have been able to see the exoplanet – ...

Scientists have developed a new method to compute how tides affect the interiors of planets and moons. Importantly, the new ...

NASA's Parker Solar Probe will complete its seventh swing past Venus— the spacecraft's final maneuver around the amber planet ...

A planet has been discovered orbiting the closest single star to our Sun. Using the European Southern Observatory’s Very Large Telescope (ESO’s VLT), astronomers have been able to see the exoplanet – ...