A rare moment when day becomes night. Totality captures the breathtaking 2017 solar eclipse — a celestial event where the ...

On March 31, SpaceX launched the private Fram2 mission, which sent four private astronauts on a 3.5-day mission to Earth ...

Most dangerous asteroids don’t come with warning signs, and some are almost impossible to spot until it’s too late.

Even the best telescopes can’t see exoplanets. It’s all about watching for jiggly stars, blue shifts, and transits.

IBM is helping to facilitate a quiet revolution in banking where, thanks to AI, customers can once more enjoy a personal relationship with their provider.

How David Stevenson, a guy with a hybrid car and a solar rooftop, helped take down a burgeoning US energy sector.

In one of California's single largest year-over-year emissions reductions on record, the state lowered its climate pollution by 3% in 2023. The drop in 2023, the most recent year for which data is ...

Unique ways to see the Aug. 12, 2026 total solar eclipse in Spain, Iceland and Greenland — from castles and cruises to ...

During totality, the sky will darken, temperatures may drop, and the sun’s corona — its faint outer atmosphere — will become ...

In August 2026, a total solar eclipse will be visible over parts of Spain, Portugal, and a large chunk of the Atlantic and ...

In the 18th and 19th centuries, biblical scholars interested in parallels between ancient religious belief systems argued ...

A bevy of comets, a "blood moon" total lunar eclipse and impressive northern lights were just three of the skywatching highlights in 2025. Here's how they unfolded.