Among the roughly 10 billion white dwarf stars in the Milky Way galaxy, a greater number than previously expected could ...

These popular astronomy questions, answered by Astronomy magazine, will help you better understand our universe - and share ...

For decades, Pluto was celebrated as the ninth planet of our solar system ... leading to Pluto’s reclassification as a dwarf planet. This decision sparked widespread debate among scientists ...

An LSU-led team would like to use a high-flying Antarctic balloon-borne infrared telescope to detect the chemical makeup of ...

In August 2006, the International Astronomical Union made the controversial, but correct, decision to demote Pluto from its ...

Scientists using data from the European Space Agency’s Gaia mission have made a groundbreaking discovery: a massive exoplanet ...

With an assist from the NEID spectrograph, a team of astronomers have confirmed the existence of exoplanet Gaia-4b—one of the ...

Using data from the European Space Agency's Gaia mission, scientists have found a huge exoplanet and a brown dwarf. This is the first time a planet has been uniquely discovered by Gaia's ability to ...

Scientists also discovered a second planet, a brown dwarf orbiting another low-mass star. Gaia-5b orbits the Gaia-5 star, around 134 light-years away from Earth.

Data from the Gaia spacecraft shows that even unassuming stars can host monumental companions like massive planets.