Astronomy fans figuring out where and what time to see the March 29, 2025, partial solar eclipse can check out a map from ...

If you’re trying to cheat death on Mercury, this is very promising, but the news gets even better. Mercury's Solar Day is ...

The James Webb Space Telescope has successfully detected auroras on Neptune for the first time ever, finishing a job that ...

Webb has filled in many gaps left by Voyager 2, the only spacecraft to visit the planet. In 2022, the telescope captured ...

An inside look at the HX 'Nansen,' including its science program, zodiac excursions, and amenities, like its ocean-view sauna ...

Observers across eastern North America and much of Europe will have front-row seats to the striking partial solar eclipse on March 29. Here's what to expect.

Today a new Axis of Upheaval—the increasing alignment among China, Russia, Iran, and North Korea—is fundamentally altering ...

During a partial solar eclipse, the moon passes between the sun and Earth. The moon casts a shadow on Earth and only partly ...

Astronomers track the sun's 11-year cycle by counting sunspots. Also, we're expecting a strong geomagnetic storm and aurora ...

The first day of spring, also known as the vernal equinox, has arrived in the Northern Hemisphere on March 20, 2025.

This phenomenon occurs twice a year, with the vernal equinox marking the onset of spring. At 5:01 a.m. EST (0901 GMT) on March 20, the sun crosses the celestial equator, moving from the Southern ...

Thursday marks the vernal equinox, or the first day of spring, in the northern hemisphere — even if the weather in Michigan ...