Are there Earth-like planets in a neighboring star system?
For the first time, astronomers have found compelling evidence that the dust-free gaps surrounding young stars are caused by massive exoplanets.
This year has been filled with weird space stories, here are some of our favorites.
How low can you go? Astronomers have found a star with an incredibly low concentration of heavy elements that still has a sizable planet around it — the most metal-poor star ever discovered with an orbiting, rocky planet.
Jupiter's Big Red Spot is the largest example of a long-lived storm in the solar system, but now it has some pretty stiff competition in another star system.
A low-cost mission could soon be launched to directly observe the exoplanetary system in orbit around Alpha Centauri, one of the solar system's nearest stellar neighbors.
Ripple patterns in the dust around young stars may show off where giant planets are lurking.
We could find small planets close to Earth using a new technique being tested on our own sun.
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