A new giant sunspot, active region 4246, is now visible from Earth. Scientists believe another, even larger region is emerging. This solar activity could cause minor geomagnetic storms and disrupt ...

A trio of meteor showers sends flashes of light across our skies this month, and the first week will feature the largest and ...

Nov. 17: The Leonid Meteor Shower should be best from 1 a.m. to dawn. Under dark sky conditions, the Leonids exhibit a maximum of about 10 to 15 meteors per hour. Nov. 5: Full hunter supermoon — ...

Is it a full moon tonight? November beaver full moon will shine for days as the biggest supermoon of 2025. Here's when to ...

Harvesting solar energy in orbit and beaming it down to Earth is a decades-old idea. Now, a raft of companies say they could ...

On July 1, 2025, NASA’s ATLAS telescope in Chile spotted a fast moving dot, 3I/ATLAS, travelling at 61 kilometres per second.

The International Space Station marks a quarter-century of continuous occupancy this weekend, boasting a guest list of nearly 300 — mostly professional astronauts but also the occasional space tourist ...

Harvesting solar energy in orbit and beaming it down to Earth is a decades-old idea. Now, a raft of companies say they could make it a reality.

Scientists have spotted elusive "magnetic waves" in the sun's atmosphere that may explain why the sun's corona is much hotter ...

As the third confirmed interstellar object to pass through our solar system, 3I/ATLAS is prime for new discoveries. It was ...

Newly discovered multi-wavelength view of a stellar eruption on a young Sun-like star is changing how we think about life's ...

Denver put years of controversy aside for a big-party opening day at Park Hill Park, a failed golf course where developers wanted buildings and neighbors wanted open space.