Earlier estimates of its age were around 7 billion years, but a new study suggests it’s much older.

What is the actual speed and direction of our solar system as it moves through the cosmos, and how does this compare to longstanding cosmology models? This is what a recent study published in Physical ...

Meet Stevenson 218, the largest known star in the universe. This red supergiant is so massive it could engulf our entire solar system out to Saturn. Learn how astronomers measure its size and ...

The Solar System is a weird place filled with incredible physics and geological oddities that often break down in human terms. The way we learn the order of the planets is the classroom version of ...

The levels of a heavy form of hydrogen in 3I/ATLAS are 30 to 40 times higher than in Earth's oceans, suggesting the comet has ...

The comet formed in a cold and distant part of the early Milky Way up to 12 billion years ago, putting it just under 2 ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

The Hubble Space Telescope celebrates 36 years of incredible discoveries, stunning imagery, and a lasting impact on astronomy.

Just decades after the first exoplanets were identified, our database of the distant worlds—monitored by the NASA Exoplanet Science Institute—has breached a new threshold. Now, astronomers have ...

WASHINGTON — An exoplanetary system about 116 light-years from Earth could flip the script on how planets form, according to researchers who discovered it using telescopes from NASA and the European ...

We’ve found lots of “habitable” worlds but we don’t know what factors are needed for life. There are lots of reasons to search for planets around other stars—exoplanets. A big one is to find other ...