Most have been found via microlensing: their gravity acts as a lens that boosts the light of a background star in a ...

But they actually do exist in real life. Astronomers, who sometimes like to kill fun, call these worlds free-floating planets ... light of a background star in a measurable way.

He had discovered these objects while working at the Mount Wilson observatory near Pasadena, California, including in images ... the Milky Way. Andromeda was therefore a separate galaxy ...

Astronomers have long struggled with a troubling puzzle: a significant portion of normal matter in the universe appeared to ...

It's explored our own solar system, studied the atmospheres of distant planets ... our Milky Way today and more) that formed in the first 700 million years of cosmic history. Our current galaxy ...

A chance alignment in this direction of the sky provides a beautiful juxtaposition of this nearby Herbig-Haro object (located within our Milky Way) with a face-on spiral galaxy in the distant ...

The Webb telescope has spotted exoplanets circling white dwarf stars, proving that planets can survive their star’s violent ...

Astronomers have discovered the most distant and thus earliest spiral galaxy ever seen, using the James Webb Space Telescope ...

A blob of gas seen outside the Milky Way could be a type of starless, dark matter–dominated galaxy. Some scientists are skeptical.

Another similarity between the Milky Way and this early cosmic dragon galaxy ... planet was really asking for it — Scientists used JWST instruments 'wrong' on purpose to capture direct images ...