Today in the history of astronomy, the first photo of Earth by a satellite is taken.

ULA Vulcan Launch completes its first National Security Space Launch mission, taking the reins from the Delta IV Heavy for ...

14. The Sun emits a continuous stream of plasma called the solar wind. On Earth, the most visible effect of the solar wind is the production of the northern and southern lights, the aurorae. Intense ...

Using AI, astronomers discover a new type of supernova, SN 2023zkd, the strongest evidence yet of a dying star being ...

The solar system’s smallest planet is just now becoming visible before dawn. Bright Jupiter and Venus point the way.

If you own a telescope with an aperture (the size of the lens or mirror) of 4 inches or more, there’s a wonderful object now ...

It’s a busy morning! Look for Perseid meteors as you catch a conjunction of bright Jupiter and Venus before dawn.

Your odds of winning the lottery are still 100,000 times larger than the probability of either Voyager hitting a comet.

Nearly five-month mission concludes as agency continues its human presence on the International Space Station.

The space telescope obtained some details about the third recent interstellar visitor.

Plus: The August Full Sturgeon Moon shines, the colorful double star Albireo sparkles, and Mercury reappears in the sky this ...

This bright, easy-to-find open cluster of young stars looks to some like a flock of birds flying through the sky.