I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the ...

A polar day is when the sun does not set and stays above the horizon for an extended period, while a polar night is when the ...

The colorful northern lights may reveal themselves to a wide swath of Americans Friday night due to an impending solar storm ...

Samantha Harvey’s Booker-winning novel 'Orbital' is far more than science-fiction; it raises deeper questions about what it ...

The agency expects a minor or greater geomagnetic storm—a disturbance of Earth’s magnetic field—on Saturday, which increases ...

In Earth's upper atmosphere, a fast-moving band of air called the jet stream blows with winds of more than 275 miles per hour ...

A handful of planets in the solar system are expected to line up in the night sky for a few days in January 2025. Here's when ...

Moon phases reveal the passage of time in the night sky. Some nights when ... The moon is also in the sky during the day, and without its Earth-facing side illuminated by the sun, observers ...

Astrophotographers use sophisticated imaging technology to take and edit photographs that bring us the cosmos with startling ...

Challenges are unpredictable part of life as they come in many forms, both big and small. No matter how significant or minor they may seem, ...

The second visit of asteroid Apophis in 2036, also on April 13, heralds the coming of the Messiah and the beginning of a new ...

The Oscar winner who co-directed '50 Years of SNL Music' on taking on significant performances by Sinead O'Connor, Kanye West and Ashlee Simpson: "I want[ed] to cover every controversial moment on the ...