A ninth planet the size of Neptune may be hidden in the far reaches of the solar system, but the evidence has left some experts skeptical.

Symphony San Jose ’s program, which people can experience on Saturday, May 10, 2025, at 7:30 p.m. and Sunday, May 11, at 2:30 ...

I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the ...

Picture this: a small audience is quietly ushered into a darkened room. They gasp in awe, as a brilliant night sky shines ...

And last month, scientists said that they discovered the strongest indication yet of life on a planet 120 light-years away.

Juno’s latest discoveries have pulled back the veil on Jupiter’s harsh atmosphere and the fiery volcanic world of Io. The ...

On March 27 — 15 days after its launch — SPHEREx saw its first light, proving its instruments performed as designed. This ...

An astronomer breaks down 3 key components that allow researchers to make groundbreaking discoveries — and decide when ...