An analysis of two decades of data from NASA's Hubble Space Telescope has provided fresh insights into the complex ...

Stars like the Sun are remarkably constant. They vary in brightness by only 0.1% over years and decades, thanks to the fusion ...

Our planet's closest and brightest neighbor will pass approximately between the Earth and sun this week, in what's called an ...

Most exoplanets are discovered when they pass in front of their home star and block out some of the light shining toward ...

They do it by using built-in occulters, or coronagraphs, but these things can only dim so much light. And that's not good when the telescope is trying to look intensely at a rocky planet located ...

The Sun, the main source of light and energy, is the brightest object in our solar system, shining on and lighting up all other celestial bodies. Jupiter, the biggest planet in our solar system, ...

The ice-giant planet Uranus, which travels around the sun tipped on its side, is a weird and mysterious world. Now, in an ...

The orbit Venus takes around the sun results in an inferior conjunction as it transitions from appearing in the evening sky ...

Astronomers have confirmed the existence of four planets orbiting a star less than 6 light-years away with help from some of ...

The seven planets in the system closely orbit their star, so that if TRAPPIST-1 were in place of our sun in the solar system ... of the worlds thanks to the light shining on them from the star.