Astronomers didn’t even know sub-Neptunes existed until NASA’s Kepler mission uncovered them over the past decade. Although a ...

A new study, however, identifies a possible candidate. A separate team of astronomers compared 1983 data from the Infrared ...

The spiral galaxy NGC 3596 is on display in this NASA/ESA Hubble Space Telescope image that incorporates six different ...

Rather than solid arms, spiral galaxies may show density waves—regions where matter slows down and bunches up, like cars in ...

Webb Space Telescope reveals a surprisingly clear atmosphere on planet TOI-421 b, helping scientists understand the evolution ...

New views of TOI-421 b by JWST gives insight into how the most common type of planet in the galaxy might form.

After initial positioning by ground control, the satellite duo’s autonomous system of cameras, LEDs, and laser rangefinders ...

There is a supermassive black hole at the center of our galaxy, and it's not alone. There is also likely a forest of binary ...

Billions of years ago, in the frozen edges of the solar system, a violent impact shaped one of space’s oddest pairs. Instead ...

Discovered in 1930, Pluto was long considered our Solar System's ninth planet, but was unseated in 2006 after the discovery ...

Explore the 35-year journey of the Hubble Space Telescope, reshaping our understanding of the cosmos with stunning images and ...

Venus dominates as the brilliant “Morning Star” in the east-southeast before dawn; the Eta Aquariid meteor shower takes place ...