Every week, Space.com delivers the latest discoveries, launches, and cosmic curiosities from across the universe. From ...

Known as blue straggler stars, these age-defying celestial objects have mystified astronomers for more than 70 years. "Blue ...

Their new study shows that Earth’s massive drop in temperature after the dinosaurs went extinct could have been caused by a large drop in calcium levels in the ocean. The study showed that the ...

Coming from one of the world's largest astrophysical research institutes, I can tell you, the anticipation across the global ...

You might think only billion-dollar telescopes and professional observatories can contribute to cutting-edge space science.

Astronomers have traced the origin point of a jet of material that is thousands of light-years long emanating from the ...

The James Webb Space Telescope has confirmed the most distant, early galaxy in the known universe. The new contender, MoM-z14, is visible just 280 million years after the Big Bang.

A "crowdsourced" project in which home computer users were enlisted to help analyze radio signals from space is ending after ...

As gas falls toward a black hole, it heats up and shines. If the glow becomes intense enough, it can push incoming gas away. Astronomers call this balancing point the Eddington limit, and for decades ...

Located in the Large Magellanic Cloud, WOH G64 is a red supergiant and one of the most luminous, dust-enshrouded stars in its ...

Astronomers have detected an exoplanet candidate around a Sun-like star just 146 light-years away from us.

Before telescopes, ancient Greek astronomers relied on naked-eye observations of the night sky to understand the universe ...