Astronomy

Spica is a binary star system that orbits over 250 light-years from Earth within the Milky Way.

This close-up view of the United States flag plate on NASA's Perseverance was acquired on June 28, 2025 (the 1,548th day, or sol, of its mission to Mars), by the WATSON (Wide Angle Topographic Sensor for Operations and eNgineering) imager on the turret at the end of the rover's Mars robotic arm.

These are the best Fujifilm cameras from beginner to professional grade, with some models potentially falling in price on Amazon Prime Day from July 8 to 11.

Single-celled organisms called archaea aren't generally thought to cause human disease, but one species has been implicated in colorectal cancer

Single-celled organisms called archaea aren't generally thought to cause human disease, but one species has been implicated in colorectal cancer

Astronomers have confirmed the discovery of a rare celestial visitor: a comet from beyond our Solar System.

Officially named 3I/ATLAS, this newly identified interstellar object is only the third of its kind ever observed, following the famous 1I/ʻOumuamua in 2017 and 2I/Borisov in 2019.

Private lunar landing: How Blue Ghost measured the moon's electric and magnetic fields

Evidence shows that Medicaid improves people’s health and is particularly vital for babies, older people in need of long-term care and people in rural communities

All eyes are on Comet 3I/ATLAS as astronomers worldwide chase the exotic ice ball through our solar system

The International Space Station and China's Tiangong Space Station will be visible for early risers. Here's how to make a dual sighting.

Four research firms project that the Republicans’ One Big Beautiful Bill Act will raise greenhouse gas emissions and likely put U.S. and global climate goals out of reach

Both novas will eventually become too dim to see, even under the darkest skies. So catch them while you can!

With the aid of citizen scientists, astronomers have discovered an erupting cataclysmic variable star in a rarely seen evolutionary stage.

Save $200 on the best telescope for viewing the planets — the Celestron NexStar 8SE has a huge discount this Prime Day

The Zefiro-9 was hoisted in preparation for the Vega-C flight VV27.

An analysis of the provenance of the Matarrubilla stone, a large megalith at Valencina in Spain, indicates that the monument’s builders must have had advanced seafaring technology

An analysis of the provenance of the Matarrubilla stone, a large megalith at Valencina in Spain, indicates that the monument’s builders must have had advanced seafaring technology

Big beautiful barred spiral

Breakthroughs from two rival experiments, Germany’s Wendelstein 7-X and the Joint European Torus, suggest the elusive dream of controlled nuclear fusion may be within reach

A Russian Progress cargo spacecraft launched toward the International Space Station this afternoon (July 3), hauling several tons of cargo to the orbiting lab.