Dragging the trash barrel to the curb, I look up at the night sky, and my current self is instantly tethered to all my past ...

A newly discovered comet, called C/2025 F2 (SWAN), may have disintegrated. But the remnants are still visible.

Stars were extremely significant to the inhabitants of Middle-earth in J. R. R. Tolkien's The Lord of the Rings novel, especially the Elves.

Cassiopeia A is a supernova remnant located about 11,000 light-years away in the constellation Cassiopeia, and is one of the brightest radio sources in the sky, offering key insights into the death of ...

To human eyes, the night sky is a confetti of stars ... An astronomical feature called Cas A, in the constellation Cassiopeia, is a blast of debris expanding at millions of miles an hour; it ...

Venus, Saturn and the moon will form a triple conjunction, appearing to look like a smiley face in a sky. Here's how and when ...

A massive black hole at the heart of a galaxy in the Virgo constellation is waking up, shooting out intense X-ray flares at ...

In anticipation of the upcoming 35th anniversary of the NASA/ESA Hubble Space Telescope, ESA/Hubble is continuing the celebrations with a new view of the Eagle Nebula. This vast stellar nursery ...

China has successfully established the world's first three-satellite constellation on the distant retrograde orbit (DRO) in the Earth-moon region of space, connecting them with stable inter ...

While solitary black holes should be common, they are hard to find. The one in Sagittarius revealed itself when it passed in front of a dim background star, magnifying the star’s light and slowly ...