HD 164604 c: A Planet We Cannot See Directly

HD 164604 c: A Planet We Cannot See Directly

July 16, 2026

HD 164604 c: A Planet We Cannot See Directly

HD 164604 c is a giant planet nearly ten times bigger than Jupiter — and no telescope has ever taken its picture. Scientists figured out it exists by watching its star wobble in a clever trick using light. Find out how they did it!

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HD 109286 b: A World Where Water Might Be Possible

July 15, 2026

HD 109286 b: A World Where Water Might Be Possible

HD 109286 b is a huge planet 181 light-years away, and it sits in the zone where liquid water might be possible. Scientists found it in 2021, and while it's probably a gas giant, its moons — if it has any — could be worth watching.

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How Far Away Is eps Eri b?

July 1, 2026

How Far Away Is eps Eri b?

Epsilon Eridani b is one of the closest known exoplanets to Earth — but close in space still means 10.5 light-years away! Find out how long it would take to travel there, what kind of planet it is, and how scientists discovered it.

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Could Kepler-539 c Be Friendly to Life?

June 27, 2026

Could Kepler-539 c Be Friendly to Life?

Kepler-539 c is a huge planet more than twice the size of Jupiter, orbiting a star a thousand light-years away. Could it ever support life? The answer is almost certainly no — but the reasons why tell us a lot about what makes a world truly livable.

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55 Cnc: A Family of Worlds Around One Star

June 19, 2026

55 Cnc: A Family of Worlds Around One Star

Just 41 light-years away, a star called 55 Cancri has seven planets orbiting around it — including a gas giant more than 1,200 times the mass of Earth! Find out how scientists discovered this amazing planetary family and what makes it so special.

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Is Kepler-1704 b in the Goldilocks Zone?

June 19, 2026

Is Kepler-1704 b in the Goldilocks Zone?

Kepler-1704 b is a giant planet almost twelve times wider than Earth, orbiting a star that looks a lot like our Sun. Could it be in the Goldilocks Zone? The answer is more complicated than you might think!

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what are planets made of

June 8, 2026

What Are Planets Made Of?

Measure a planet's size and weight, and you can guess what it's made of — rock, water, or gas. Here's the simple trick scientists use.

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