The enormous visitor to our solar system may have been about 8 times the mass of Jupiter, and come nearly as close to the sun ...

Planets with suns like Wolf 359 are subject to huge blasts of radiation that raise questions about their long-term ...

Enaiposha, also known as GJ 1214 b, is an exoplanet orbiting the red dwarf Orkaria, located just 48 light-years from the ...

A new study suggests that a planet-sized object may have passed through the solar system billions of years ago.

A new study by NASA’s Chandra X-ray Observatory and the European Space Agency’s XMM-Newton highlights the challenges planets ...

A powerful new tool comes online this year that could help astronomers locate the mysterious planet hiding somewhere beyond ...

A close encounter with a mysterious interstellar object could explain the current orbits of several of Earth’s largest ...

Trappist-1, a red dwarf star located 40 light-years from ... Getty Images The different orbital speeds of the planets in our Solar System means several of them can occasionally line up in the ...

Mars will be making its closest approach to Earth in two years, and thus, the mighty red planet, named for the god of war ...

Once the star becomes a white dwarf, an ocean world at ... as well as through gravitational interactions between planets. Our own solar system, for example, had a migration phase in its youth.

A six-planet alignment or parade will form an arc in the early night sky, peaking in it's visibility Jan. 17-18. We let you ...

Rumya Sundaram, Citizen Scientist Coordinator for the Key Biscayne Community Foundation, will present this month’s Citizen ...