Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby sun-like star, providing a ...

NASA says with the help of data from the James Webb Space Telescope, scientists have confirmed the presence of water crystals around a Sun-like star, some 155 light-years away from Earth. The star, ...

Most planets that orbit two stars do so in a fairly simple way: the two stars orbit in a ring structure, and the planet orbits in a ring which is further out.

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NASA’s James Webb Space Telescope’s observations of what is thought to be the first ever recorded planetary engulfment event revealed a hot accretion disk surrounding the star, with an ...

Twenty parsecs away from Earth, three planets encircle the star HD 104067, but the innermost one, TOI-6713.01, has been bossed around by the larger outer planets, to fiery consequences.

Astronomers using the mighty James Webb Space Telescope have captured direct images of four planets in a star system 130 light years from Earth — an astonishingly eagle-eyed feat of cosmic ...

There's a class of objects in the cosmos that are neither stars, nor are they quite planets. Astronomers used the powerful James Webb Space Telescope to sleuth out some of these objects, called ...

In 1967, the Outer Space Treaty went into effect. As of January 2025, 115 countries are party to this treaty, including the United States and most nations that have a space program.

Located less than 20 light years away, HD 20794d could potentially be one of the most Earth-like planets found so far, despite its extreme climatic variability.

The nearby star Vega, featured in the 1997 movie Contact, appears to have a smooth disk devoid of giant planets for reasons we can’t explain ...

Ever since, astronomers have been “discovering” planets around Barnard’s Star, but none have withstood verification. Now, one planet — and maybe more — has been confirmed.