As the Northern Hemisphere welcomes spring today, the Southern Hemisphere is marked with the first day of autumn.

State weather bureau PAGASA said Thursday that the day and night will share nearly the same length around the world on ...

As the vernal equinox approaches on March 20, 2025, the night sky comes alive with a dazzling mix of celestial events, ...

As space becomes more contested, Australia should play a key role with its partners in the Combined Space Operations (CSpO) ...

But, so far at least, astronomy has remained above human tinkering, and at 5:01 a.m. Philadelphia time Thursday the sun will ...

The vernal equinox marks the moment when the Sun crosses the celestial equator, bringing nearly equal day and night to both ...

The vernal equinox occurs as Mercury stands still in Pisces and several of Jupiter’s moons transit in the sky this week.

German startup constellr released first-light imagery from the initial satellite in its thermal-imaging constellation.

This month, a total lunar eclipse and blood moon will be viewable across the U.S. Here's the best times and places to view ...

PAC’s astronomy season kicks off on Saturday, March 15, the date of the first public observing session at Niabi Zoo. Public ...

Anywhere along Earth’s equator, the sun will be directly overhead ... wait later and later for true nightfall. One of the great constellations of spring is rising in the evenings in the east.

Credit: Astronomy: Roen Kelly Venus will be most ... views in small telescopes of its Great Red Spot, the twin dark equatorial belts, and other atmospheric features. Its disk spans 39″ on ...