NASA astronaut Don Pettit captured this stunning long-exposure view of Earth and stars from space at night from the ...

This image features a deep field view of the Cassiopeia constellation immersed in the glow of ionized hydrogen gas, where the ...

Astronomers are racing to protect the dark skies as private companies seek to place large advertisements in Earth orbit ...

The SPHEREx telescope will create the most colorful map of the cosmos, while the four satellites of the PUNCH mission track ...

Between Feb. 23 and Feb. 28, 2025, all seven planets will align in the night sky. This alignment will be visible for less than a week before Saturn moves out of view, ending the complete formation.

You can tell spring has officially begun in the Northern Hemisphere just by looking at the stars. Here's how to easily spot ...

The universe is ballooning outward at an ever-faster clip under the power of an unknown force dubbed dark energy. One of the major goals for NASA's upcoming Nancy Grace Roman Space Telescope is to ...

An art installation featuring 30 laser beams in primary colors will shine from the top of the Space Needle Friday night.

Astrophysicists have long been intrigued by the possibility of dark stars-massive celestial objects fueled not by nuclear fusion but by the enigmatic energy of dark matter. Thanks to images taken by ...