HD 85426 c: Getting to Know a Mini-Neptune

HD 85426 c: Getting to Know a Mini-Neptune

July 24, 2026

HD 85426 c: Getting to Know a Mini-Neptune

HD 85426 c is a faraway world bigger than Earth but smaller than Neptune, and scientists have already figured out some surprising things about it. Find out what it might be made of, how hot it gets, and why this planet is such a great example of how space science works.

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Say Hello to TOI-1243 b, a Mini-Neptune

July 20, 2026

Say Hello to TOI-1243 b, a Mini-Neptune

TOI-1243 b is a real planet 141 light-years away, and it's unlike anything in our solar system! It's bigger than Earth but smaller than Neptune, races around its star in less than five days, and scientists are just starting to unlock its secrets.

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Meet LHS 1903 c: A Mini-Neptune Around a Small Red Star

July 7, 2026

Meet LHS 1903 c: A Mini-Neptune Around a Small Red Star

LHS 1903 c is a planet unlike anything in our solar system — bigger than Earth but smaller than Neptune, orbiting a dim red star so closely that one year there lasts less than a week. Find out what scientists have learned about this strange, faraway world!

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Meet GJ 1137 c: A Mini-Neptune Around a Orange Star

June 24, 2026

Meet GJ 1137 c: A Mini-Neptune Around a Orange Star

Meet GJ 1137 c, a planet twice the size of Earth that races around an orange star in less than ten days! It belongs to a type of world called a mini-Neptune — and there is nothing like it in our own solar system.

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Meet HD 176986 d: A Mini-Neptune Around a Orange Star

June 21, 2026

Meet HD 176986 d: A Mini-Neptune Around a Orange Star

Meet HD 176986 d, a mini-Neptune planet almost two and a half times wider than Earth, orbiting an orange star 90.6 light-years away. Scientists are piecing together what this mysterious world is made of — and the answer could help explain planets all across our galaxy.

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Say Hello to GJ 3090 c, a Mini-Neptune

June 19, 2026

Say Hello to GJ 3090 c, a Mini-Neptune

Meet GJ 3090 c, a world 73 light-years away that zips around its star in just 16 days! This mini-Neptune doesn't exist anywhere in our solar system, and scientists are working hard to unlock its secrets — one careful clue at a time.

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Say Hello to TOI-5789 e, a Mini-Neptune

June 14, 2026

Say Hello to TOI-5789 e, a Mini-Neptune

Meet TOI-5789 e, a planet more than three times wider than Earth that completes a full year in just 63 days! Scientists confirmed it in 2026, and studying it helps us understand why so many planets in the universe turn out bigger and gassier than our own.

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Meet GJ 887 d: A Mini-Neptune Around a Small Red Star

June 11, 2026

Meet GJ 887 d: A Mini-Neptune Around a Small Red Star

Only 10.7 light-years away, a small red star called GJ 887 has a planet our solar system doesn't — a mini-Neptune! Find out how scientists discovered GJ 887 d, what it might look like inside, and why this chilly world helps us understand planets across the universe.

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Say Hello to GJ 4274 c, a Mini-Neptune

June 10, 2026

Say Hello to GJ 4274 c, a Mini-Neptune

Meet GJ 4274 c, a planet almost 8.5 times heavier than Earth sitting just 23.6 light-years away! Scientists call it a mini-Neptune, and it zips around its cool red dwarf star in under 70 days. There is a lot to learn about this nearby world.

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