We have discovered two interstellar objects so far, ’Oumuamua and Comet 2I/Borisov. ’Oumuamua had no dust tail and a significant nongravitational acceleration, which led to a wide variety of ...

On July 1, the ATLAS (Asteroid Terrestrial-impact Last Alert System) survey telescope reported the discovery of A11pl3Z, an object whose orbit looked like it came from another star. Now we know that ...

A recent study has uncovered a dramatic interaction between a planet and its parent star that is reshaping our understanding ...

The first ever recorded 'planet with a death wish' orbits so close to its host star that it triggers huge flares of radiation ...

The US Food and Drug Administration (FDA) has issued an urgent warning about tianeptine—a substance marketed as a dietary ...

Exoplanet HIP 67522 b, fluffed up to the size of Jupiter, circles so close to its star that it’s triggering violent flares — ...

Artist's concept of the star HIP 67522 with a flare erupting toward an orbiting planet, HIP 67522 b. A second planet, HIP ...

Sedna will make its closest approach to the Sun in 2076, giving us a rare opportunity to visit the planetoid before it drifts ...

Artist's impression of Planet Nine – a suspected “wide-orbit” planet – with the Sun in the distance; Neptune's orbit is shown ...

A new gas giant world discovered by citizen scientists using data from NASA's exoplanet-hunting spacecraft TESS is cool, ...

Researchers identified the likely planetary candidate’s infrared light after blocking out its host star’s overwhelming glare ...