Billions of years from now, the Sun will swell into a red giant, swallowing Mercury, Venus, and Earth. But that’s not the ...

NASA’s Transiting Exoplanet Survey Satellite (TESS) has been used to discover Earth-size planet TOI 700 e. It is "orbiting ...

A passing star has been discovered that could cause chaos in the Solar System, sending Earth flying out of orbit.

Simulations show that the stars’ tug could send Mercury, Venus or Mars crashing into Earth — or let Jupiter eject our world from the solar system.

Jumping back in time, Thuban was positioned as a North Star some 4,700 years ago, as early civilizations thrived in ...

Venus will rise in the eastern sky in the pre-dawn hours of June 1 alongside Saturn and Neptune. Venus reaches its point of ...

The lone planet confirmed to be in the system is squeezed in between the two, orbiting at a distance similar to Earth's ...

A series of studies have cast doubt on the sensational claim that "the strongest evidence yet" was found that life exists ...

Mercury, for instance, is already the wild card of the inner planets. Its orbit grows more eccentric over time, increasing ...

The small world was found during a search for the hypothetical Planet Nine, and astronomers say the next time it will reach ...

In the cold, dark outskirts of planetary systems far beyond the reach of the known planets, mysterious gas giants and ...

New research suggests that our entire solar system is vulnerable to being thrown into chaos by a distant star.