EarthSky

Comet SWAN25B, not yet confirmed, is a new comet discovery that is already shining bright, though it is close to the sun. Image via E. Guido/ M. Rocchetto/ J. Ferguson/

Artist’s concept of a black hole star. At center is a black hole with surrounding accretion disk. The larger envelope of turbulent gas makes it a black hole star. A

View larger. | Artist’s concept of exoplanet TRAPPIST-1e (lower right), with 3 more of the 7 planets nearby. The 1st results from observations by the James Webb Space Telescope show

This is the Mars rock Cheyava Falls in the Jezero Crater area of the red planet. The Perseverance rover drilled the hole we see here, extracting a sample called Sapphire

Scientists have detected an incredibly powerful burst of gamma radiation that repeated several times over a single day … and they can’t quite explain it. EarthSky’s Will Triggs has the story

This beauty is planetary nebula IC 418, also known as the Spirograph nebula for its intricate patterns. It is over 4,000 light-years away in the constellation Lepus the Hare. IC

This artist’s concept shows plumes erupting onto the surface of Saturn’s moon Enceladus. In the background we see another moon, Titan, lit as a crescent, with the distant sun beyond.

Newly discovered quasi-moon 2025 PN7 shares a similar orbit with Earth. But from Earth’s perspective, it appears to orbit us. Image via NASA. Meet quasi-moon 2025 PN7 You might recall

White dwarf stars, like this one shown shrouded by a planetary nebula, are much smaller than stars like our sun. But can there be life around white dwarfs? Image via

Artist’s concept of a white dwarf remnant being given a high-speed shove from its system. Such an event can happen after 2 white dwarfs merge, causing a supernova explosion. A