Since the discovery of planetary nebulae in the late 1700s, astronomers have learned that these expanding shells of glowing ...

The swirling spiral galaxy in this NASA/ESA Hubble Space Telescope image is NGC 3285B, which resides 137 million light-years ...

Juno spacecraft data suggest an extreme compression of the planet’s magnetosphere in December 2022, caused by the solar wind, ...

Hubble Space Telescope images of Jupiter have been "photo-mapped onto a sphere," and animated into a full rotation, according ...

With a central bulge consisting of yellow stars resembling the slightly off-center yolk of an egg fried sunny-side up, NGC 2276 is yet another example of an asymmetric galaxy. Scientists believe this ...

Betelgeuse, one of the brightest stars in the night sky, may not be alone. And its potential companion may be responsible for ...