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 ...

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 ...

NASA has just made a groundbreaking discovery—a new planet beyond Neptune that wasn’t there before! This mysterious find could change how we understand our solar system and the universe itself. Is ...

LISA is set to revolutionize our understanding of the gravitational universe and the interactions that make the entire cosmos ...

Watch a bright Moon dominate the sky, trace the Winter Hexagon, and continue enjoying the evening parade of planets in the ...

Because the Moon is over a quarter the diameter of Earth, the Earth-Moon system is often cited as the pairing in our Solar ...

By Katrina Miller NASA and European scientists explain how they calculate the probability of the space rock 2024 YR4 impacting our planet ... tight orbit with the dwarf planet.

What happens when the biodiversity witnessed by one generation fades into memory the next? These questions are crossroads at ...

Get closer to our solar companions with the best telescopes for seeing planets, just in time for ... See our quick list below if you want to dive right in, or scroll further down for more detailed ...