Today, July 22, 2025, the moon is 27 days old and is in the Waning crescent phase of its lunar cycle. It is 5% illuminated.

NASA's Tandem Reconnection and Cusp Electrodynamics Reconnaissance Satellites (TRACERS) mission, a collaborative effort led ...

Using a cutting-edge magnetic wave detection technique, a new study in Nature Communications has identified lithium in ...

Kickstands: Solar chargers need to be aimed directly at the sun to achieve peak efficiency, with even a slight offset having ...

A rare magnetic signal revealed lithium on Mercury, showing the planet is still being reshaped by meteoroid strikes.

NASA’s Tandem Reconnection and Cusp Electrodynamics Reconnaissance Satellites (TRACERS) mission, a collaborative effort led ...

One of the brightest and most colorful stars in the sky and the most brilliant planet are on stage in the early morning dawn ...

Because Pluto is so dim, you need a telescope to see it. “A backyard telescope could do it under the right conditions,” says ...

Astrobotic has been awarded a contract by NASA to develop a supersized version of its solar arrays for building a power grid ...

The "Golden Handle" appears each month when the sun illuminates a mountain range lining a vast impact crater. Saturday night ...

What color is moonlight typically, and what other colors can moonlight look like from our perspective on Earth?

Use our interactive globe to see if you’re in the ‘zone of disappointment’ for the Perseids – then save these dates for better meteor showers to watch.