How Far Away Is YZ Cet b?

September 29, 2026

How Far Away Is YZ Cet b?

YZ Cet b is one of the closest exoplanets to Earth, sitting just 12.1 light-years away — but even at that short cosmic distance, it would take over 100,000 years to reach it with today's fastest spacecraft. Find out what makes this tiny, fast-moving world so fascinating.

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Exploring Space

July 19, 2026

How Far Away Is Ross 128 b?

Ross 128 b is one of the closest exoplanets to Earth — just 11 light-years away! But even that "short" distance is almost impossible to imagine. Find out what 11 light-years really means and what scientists have learned about this fascinating nearby world.

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Meet the HD 108236 System: 5 Worlds Around One Star
About 211 light-years away, a star called HD 108236 has five planets circling it — and scientists are working to learn what each one is like. Comparing all five worlds together helps us understand how solar systems are built across the galaxy.
Spotting TIC 18942729 b: The Transit Method
In 2026, astronomers discovered TIC 18942729 b, a planet 376 light-years away that completes one full orbit around its star in just one Earth day! Find out how scientists spotted it without ever leaving home — using tiny dips in starlight.
Could Kepler-1661 b Be Friendly to Life?
Astronomers found a world called Kepler-1661 b that might sit in the zone where liquid water could exist — but it's also much bigger than Earth and very cold. Could it still be friendly to life? The answer might surprise you.
TOI-929 b: A New World Around TOI-929
Meet TOI-929 b, a scorching hot world 373 light-years away that completes an entire year in less than six Earth days! Scientists are still piecing together what this strange planet is made of, and its story is full of surprises.
Teegarden’s Star c: A World 12.5 Light-Years From Earth
Teegarden's Star c is a planet almost exactly the same size as Earth, but it orbits just 12.5 light-years away around a tiny, dim red dwarf star. Could this chilly, mysterious world be hiding secrets? Let's find out what scientists have discovered so far!