Finally, the Earth moves a little bit beyond one complete revolution, so the stick again points towards the sun for a second local noon. The sidereal day is just a little bit shorter—approximately 23 ...

The Solar Orbiter spacecraft, a joint mission between the European Space Agency and NASA, is the first to venture into a ...

The summer solstice marks the beginning of astronomical summer each year, typically falling between June 20 and June 22. In ...

We Earthlings see the sun every day of our lives—but gaining a truly new view of our star is a rare and precious thing. So ...

The European Space Agency's Solar Orbiter captured the first-ever images of the sun's south pole in March, which were ...

The star Polaris marks the North Celestial Pole in our sky, around which all other objects in the heavens appear to rotate.

At APL, a team is developing portable tech to detect ocean species using eDNA. Their goal: real-time, low-cost monitoring to ...

The European Space Agency's Solar Orbiter, in collaboration with NASA, has captured unprecedented images of the Sun's south ...

Within just a few million years, the continental plates begin to bend and squish toward each other. Around 200 million years ...

I was looking forward to writing a tribute to clear summer skies and great summer stargazing in the Pacific Northwest.

The finals of the Icebreaker of Knowledge international scientific and educational initiative took place at the ATOM Museum in VDNKh ...

Never before seen pictures will help scientists learn how the Sun's activity changes from stormy to quiet periods ...