In a event that won't be seen again until the year 2040, seven planets will align in the sky at the same time on 28 February ...

Like a celestial parade across the cosmos, five bright planets are lighting up the night sky and visible with the naked eye all February long — with two other planets also detectable for skywatchers ...

Hubble’s high-resolution imagery allowed researchers to hone in on more of the Bullseye galaxy’s rings — and helped confirm ...

Newly discovered Quipu, a superstructure in which galaxies group together in clusters and clusters of clusters, is the ...