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You could help NASA track its Artemis 2 astronauts' trip around the moon in 2026
By Elizabeth Howell published
As part of the Artemis 2 astronaut moon mission launching no earlier than 2026, NASA is asking volunteers to test alternative forms of deep-space tracking.

Where is the sun in its current 11-year solar cycle?
By Ryan French published
Back in 2019, a consortium of scientists predicted August 2025 as the peak of the solar activity cycle. But where are we now?

The race back to the moon: What if China lands its astronauts first?
By Andrew Jones published
"The country that lands on the moon first will shape the rules of engagement in space for decades to come."

Comet C/2025 A6 (Lemmon) is approaching Earth — will it become visible to the naked eye?
By Joe Rao published
The comet will come closest to Earth on Oct. 20. There's hope that it may become bright enough to glimpse with the naked eye.

Juno spacecraft finds auroral 'footprints' of Jupiter's moon Callisto for 1st time
By Stefanie Waldek published
Yes, even Jupiter's moons produce auroras.

1st known interstellar visitor 'Oumuamua is an 'exo-Pluto' — a completely new class of object, scientists say
By Nola Taylor Tillman published
"'Oumuamua is in a different category of object. It's much harder to find, but there are a lot more of them."

Don’t get burned! The ultimate sun quiz
By Kenna Hughes-Castleberry published
This quiz is a deep dive into the physics, history, and mysteries of our nearest star.

NASA Perseverance rover spies a 'turtle' on Mars | Space photo of the day for Sept. 5, 2025
By Kenna Hughes-Castleberry published
A recent close-up shows a turtle-shaped rock on the surface of Mars, captured by NASA's Perseverance rover.
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