Surprised astronomers just discovered a world that blurs the line between planet and stellar remnant, hiding in a system ...

Scientists from several institutions, including the University of Chicago, discovered a lemon-shaped planet with an ...

Astronomers using the James Webb Space Telescope have discovered a bizarre-looking exoplanet that defies explanation ...

What kind of planet wears a diamond heart and a soot-filled sky? Astronomers now have an answer but it’s stranger than they ...

But that’s nothing compared with PSR J2322-2650b, an object the mass of Jupiter studied recently by the James Webb Space Telescope. This planet’s equatorial diameter is about 38 percent wider than its ...

Astronomers have detected an exoplanet with a highly oblong orbit that experiences wild temperature swings — and it may be transitioning into another type of world. The exoplanet, named TIC 241249530 ...

Pulsars emit a lot of radiation, in particular high-energy gamma-rays and radio waves pulses. That light is invisible to JWST, which studies the universe in infrared, but it affects the planet’s ...

New planets formed around stars have flattened shapes like Smarties, scientists have found. Researchers at the University of Central Lancashire (UCLan) in Preston used computer simulations to model ...

By tracking tiny stellar wobbles, astronomers have detected planets forming around young stars for the first time.

The International Astronomical Union defines a planet as a celestial body that orbits the sun, is massive enough that gravity has forced it into a spherical shape, and has cleared away other objects ...

Rocky planets such as Earth and Mars are born when small particles smash together to form larger, planet-sized clusters in a planet-forming disk, but researchers are less sure about how gas-giant ...

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