A young planet named HIP 67522 causes violent eruptions on its star, dramatically accelerating the loss of its own atmosphere ...

A recent breakthrough in astronomy has illuminated the mysterious dynamics of a binary star system, HD 135344 AB, where a giant planet was discovered orbiting the primary star— a star that had ...

Whether you observe in the morning or evening, the solar system has something for you today as two worlds reach their ...

More planets are changing directions. First, Mercury circled retrograde. This week, Mars is reversing course and Neptune starts spinning forward again. Going retrograde and stationing direct are ...

Researchers estimated Planet Nine's expected flux and motion based on assumed mass, distance and temperature, then applied positional and flux criteria to match sources between IRAS and AKARI.

Kepler and his laws of planetary motion What is now seen as “Kepler’s third law” was first conceived by Johannes Kepler on March 8, 1618.

Our solar system may have a ninth planet after all, following the declassification of Pluto ... Two deep infrared surveys taken 23 years apart measured the object's orbital motion. In ...

Good news for those with a Pluto-shaped hole in their life, as astronomers may be on the verge of finding a new ninth planet in our solar system.. The researchers—an international team led from ...