FreeSky Cosmos

Born in Kath, Khwarezm – a region that today would be cover parts of Uzbekistan, Kazakhstan, and Turkmenistan – Abu Raihan Muhammad al-Biruni was a man of many scientific talents. His extensive travels throughout the Middle East and modern India and his self-e...

Mark Johnston from Scottsdale, Arizona On Aug. 21, 2026, an unusually long-lasting M-class flare erupted from a sunspot group near the Sun’s west limb. As the flare’s stretched magnetic field lines reconnected and relaxed, they filled with hot plasma that cool...

The phenomenon of a Full Moon arises when our planet, Earth, is precisely sandwiched between the Sun and the Moon. This alignment ensures the entire side of the Moon that faces us gleams under sunlight. Thanks to the Moon’s orbit around Earth, the angle of sun...

The last two spacecraft of the European Space Agency’s (ESA) Cluster mission plunged into Earth’s atmosphere this week, closing out 26 years of research into the planet’s magnetic environment — and handing scientists a front-row seat to their destruction. ESA’...

Looking for a sky event this week? Check out our full Sky This Week column.  September 4: Get in a workout Titan, Saturn’s brightest moon, orbits its parent world with a period of about 16 days. You’ll find this moon passing near Saturn today and tomorrow, whe...

NASA’s Chandra X-Ray Observatory is the agency’s flagship mission for X-ray astronomy. On Sept. 5, 2001, NASA announced that astronomers using Chandra in October of the previous year had witnessed a fast, strong X-ray flare coming from the supermassive black h...

The Pacific was buzzing with storms while the Atlantic was notably quiet....

APOD Science APOD APOD: 2026 September 4 – Na… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss   APOD Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is f...

On Wednesday, June 17, skywatchers across the United States—and parts of Canada—enjoyed a rare event: a daytime lunar occultation of Venus. A lunar occultation occurs when the Moon moves directly in front of another celestial object from our viewpoint on Earth...

NASA will host a virtual webinar at 2 p.m. EDT on Friday, Oct. 2, titled “The RS-25 Engine and the Future of Artemis Missions: An Accessible Webinar for the Blind and Low-Vision Community.” This webinar is open to the public, however it is tailored specificall...

The fire department at NASA’s Ames Research Center in California’s Silicon Valley will perform training on the Moffett Federal Airfield beginning Tuesday, Sept. 8 through Friday, Sept. 11. The training will involve the use of a propane-fueled aircraft fire sim...

APOD Science APOD APOD: 2026 September 5 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss   APOD Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is feat...

In-depth investigation and verified telemetry covering James Webb Intel and Mars Missions. Explore the key methodologies, risk indicators, and performance models driving today's market shifts.

Granular breakdown of verified metrics, tactical blueprints, and quantitative models. Learn what top industry insiders look for to identify high-probability opportunities.

Actionable, field-tested instructions designed for immediate implementation. Discover how to streamline operations, bypass common bottlenecks, and scale results effectively.

Forward-looking telemetry mapping out major upcoming catalysts, structural shifts, and long-term trajectory projections for industry stakeholders and forward thinkers.