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 ...

Galaxies are thought to form and grow by collisions and mergers, and elliptical galaxies may be the ultimate result of this ...

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

Long theorized but never observed, the first known “planet with a death wish” is described by Ilin and her colleagues in a ...

Stargazers have plenty of night sky events to look forward to in July. After all the stunning celestial displays so far in ...

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

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In a groundbreaking study recently published on the arXiv preprint server, researchers have proposed two innovative ...

The Rubin Observatory takes advantage of these conditions by aiming the largest digital camera on Earth at the night sky.

Recent flybys of the fiery world refute a leading theory of its inner structure—and reveal how little is understood about ...

A view of the spiral galaxy NGC 3982, as seen by NASA’s Hubble Space Telescope. Galaxies come in many different variations, but astronomers classify them into four main types: spiral, elliptical ...

Type c-D elliptical galaxies are a subtype of giant elliptical galaxies and are characterized by a large halo of stars. Lenticular galaxies are an intermediate galaxy between elliptical galaxies and ...