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The private WorldView Legion 4 Earth-observing satellite snapped an amazing photo of the Hubble Space Telescope on April 23, 2026, a day before the obsevatory's 36th birthday.

From the first photographer star to the discovery of alien worlds, these night sky targets mark some of astronomy's greatest firsts.

A new study suggests that most "post-starburst galaxies" cease star formation because they run out of fuel. But that's not the full story.

Russia will launch its latest Progress cargo ship toward the International Space Station today (April 25), and you can watch the action live.

The moon will briefly hide Regulus in a dramatic occultation visible across parts of the eastern U.S.

"Before we know how it all will end, we need to understand how it all began."

The eROSITA spacecraft has built the most precise map of soft X-rays over Earth, observing a fascinating phenomenon driven by solar winds from the sun.

"I take this step for my country, for my people, and for the Marxist-Leninist way of life."

Comet PanSTARRS recently survived its close brush with the sun.

Samples of Ryugu returned to Earth by the Hayabusa2 spacecraft show that the asteroid bears the scars of a recent bombardment by tiny space rocks.