An international team of astronomers has achieved a first in probing the early universe, using the James Webb Space Telescope ...

Webb’s sensitive infrared observations helped in detecting and distinguishing the fading light of the explosion from its ...

The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration.

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar neighbor, which lies just 4.2 light-years away — thanks to a powerful new ...

The "ancient chemical remains of the first stars" may have discovered using the Gemini North telescope, according to NSF's ...

Astronomers continue to track the mysterious interstellar visitor Comet 3I/ATLAS as it speeds through the solar system, using ...

Astronomers have decoded the hidden past of a distant red giant star by listening to tiny vibrations in its light, revealing ...

Astronomers have identified a massive cloud of water vapor surrounding a distant quasar, marking the largest single reservoir ...

Follow Orion’s three belt stars southeast (down and to the left) to Sirius in Canis Major, the brightest star in the sky.

A simple guide to the Dec. 25, 2025 night sky, with viewing tips for the moon, bright planets, and familiar winter stars ...

Astronomers worldwide are gearing up for a year of spectacular comet sightings in 2026. Multiple comets will be observable through binoculars and small telescopes. Some, like C/2025 R3 PanSTARRS, may ...

Space debris – the collection of defunct human-made objects in Earth's orbit – is already affecting space agencies, companies and astronauts. This debris includes large pieces, such as spent rocket ...