Nearly all of the solar system’s planets are about to file across the night sky in a planetary alignment, and it will be ...

A rare celestial event is set to occur Saturday night, as six planets will line up across the sky, but will we even see them?

Some parades occur when only three or four planets align in our sky, but the coming one on Feb. 28, 2026, is a bit more rare.

Here’s hoping for clear skies this weekend, ...

The U.S. National Science Foundation says it will demolish the Sacramento Peak Observatory, also known as Sunspot Solar Observatory ...

The night sky promises Seattle an array of celestial wonders this year, one of which is a six-planet parade Saturday. It’s hard to articulate what exactly it is about the night sky that we find so ...

Webb maps Uranus’s upper atmosphere, revealing cooling temperatures, shifting auroras, and the effects of its tilted magnetic field.

If our Moon suddenly vanished, Earth would already face dramatic consequences. But replacing it with entire alien worlds ...

Min Read An artist's concept shows the two ESCAPADE spacecraft at Mars. The ESCAPADE mission is the first to coordinate two ...

Astronomers used the VLA and MeerKAT radio telescopes to search the Hycean exoplanet K2-18b for alien technosignatures, analyzing millions of signals but finding no confirmed artificial radio transmis ...

Can NASA and Elon Musk get us to Mars and beyond?

Somewhere above the western horizon, just after sunset, when the sky turns from copper to deep blue and city lights start to flicker awake, something quietly ...