Early risers will be able to catch a celestial “smiley face” in the eastern predawn sky Friday morning, as Venus and Saturn align themselves with a skinny crescent moon to form a slightly off-kilter ...

In its quest to chart the evolution of the universe, ESA’s space telescope has already amassed a massive catalog of galaxies and gravitational lenses.

The school-bus-sized observatory launched on April 24, 1990 and overcame early setbacks to become one of the most ...

Gough’s blowtorch theory and the evolutionary cosmology is, he suggested, “more exciting and attractive right now than the ...

On Thursday, April 24, 2025, the Hubble Space Telescope will celebrate 35 years in space. Can it still hold its own and prove ...

Let's turn the sun into a telescope. In fact, we don't have to do any work—we just have to be in the right spot.

NSF–DOE Vera C. Rubin Observatory is gearing up to illuminate the universe’s darkest secrets with groundbreaking new ...

"All the odd shapes and swirling gas observed in the Perseus cluster now make sense," said astronomer James Lee.

An international team of astronomers has solved one of the longstanding cosmic mysteries by uncovering direct evidence of a ...

A conception of the James Webb Space Telescope orbiting 1 million miles from Earth. Credit: NASA GSFC / CIL / Adriana Manrique Gutierrez Space is phantasmagorical. Astronomers using the powerful ...

An international team of astronomers has solved one of the longstanding cosmic mysteries by uncovering direct evidence of a ...

Astronomers have long struggled with a troubling puzzle: a significant portion of normal matter in the universe appeared to ...