The partial solar eclipse was visible to over 16 million people when it darkened the sky over the Pacific on Sept. 21-22 ...

Daniel W.E. Green at the Central Bureau for Astronomical Telegrams, suggests that comet SWAN will hover near magnitude of +6, ...

NOAA's GOES-19 satellite may have captured the first natural solar eclipse from space, with the moon's odd path explained by ...

A NASA mission to study the heliosphere—the sun's magnetic bubble that shields our solar system—and develop a better ...

Each March and September, the point directly beneath the Sun crosses the equator, marking the equinoxes. While equinox comes from the Latin aequus (equal) and nox (night), the date of equal day, known ...

On Sept. 24, 2025, NASA launched two new missions to study the influence of the Sun on the solar system, with further missions scheduled for 2026 and beyond.

The Sun's activity is rising again after decades of decline, surprising scientists and raising concerns about space weather.

Scientists discover a new way plants manage light by reprogramming a UV sensor, opening doors for stress-resistant, ...

The autumnal equinox arrives Monday, marking the start of the fall season for the Northern Hemisphere and the spring in the ...

The map, spanning 4,000 light-years from the sun in all directions, combines a chart of space dust with the effects of a rare type of young, hot star.

Quantum entanglement, the invisible connection between particles that entwines them in such a way that they act as one, has ...