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

A new presidential administration in Washington has opened up an unexpected geopolitical chasm putting U.S. bishops in an ...

With this agreement, PLD Space has now fulfilled more than 80% of the slots in its manifest until 2027.

Thursday is the first day of spring, or the vernal equinox, in the Northern Hemisphere. During an equinox, the center of the sun is on the same plane as the equator. After the vernal equinox in March, ...

The Griffith Observatory was the perfect place to welcome spring. It’s an observatory, planetarium, and exhibition space that ...

An eerie new video from ESA's Solar Orbiter shows a towering 'cyclone' of plasma exhibiting behaviors never seen before on ...

A massive wave of solar wind that squished Jupiter's protective bubble has been detected for the first time.Scientists at the ...

We often focus on space observatories that peer beyond Earth. But the vast majority of satellites stare right back at us.

The first day of spring is fast approaching in the Northern Hemisphere, bringing with it warmer weather and longer periods of ...

The vernal equinox signals the astronomical start of spring in the Northern Hemisphere, with the sun crossing above Earth's equator ... s tilt and the planet's position in its orbit around ...

For those of us who approach things by the Goldilocks Principle (not too little, not too much), spring equinox is practically ...