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2 billion people will be able to see 'God of Chaos' asteroid Apophis when it buzzes Earth in April 2029
By Andrew Jones published
The 1,115-foot-wide (340 meters) asteroid Apophis will pass closer to Earth than many satellites fly in April 2029, giving scientists and stargazers a rare front-row seat.

Interstellar visitors like comet 3I/ATLAS are the most common objects in the Milky Way: 'There's almost always one within the solar system'
By Andrew Jones published
Astronomers say that mysterious interstellar visitors like 'Oumuamua and 3I/ATLAS are the most common large bodies in the Milky Way — and our best chance to study other planetary systems.

What is the moon phase today? Lunar phases 2025
By Tariq Malik, Daisy Dobrijevic last updated
Reference See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2025.

'We are ready to drive': Take a look inside Lunar Outpost's moon rover mission control (photos)
By Leonard David published
The rover's design is "a mix between a dune buggy and a heavy-duty truck."

We can finally predict when Mars' skies will glow green with auroras, scientists say
By Sharmila Kuthunur published
"The fact that we captured the aurora again demonstrates that our method for predicting aurorae on Mars and capturing them works."

The ultimate comet challenge: A tail of trivia!
By Kenna Hughes-Castleberry published
This quiz invites you to chase comets through time and space, from ancient omens to modern scientific marvels.

Scientists track down fresh boulder falls on the moon
By Unnati Ashar published
By poring over thousands of satellite images, researchers geolocated 245 fresh boulder tracks, revealing signs of seismic activity or impact events within the last half-million years.

Storms leave 120-mile scar in Alberta visible from space (images)
By Elizabeth Howell published
Hailstones drove into terrain in southern Alberta during a storm Aug. 20, creating a scar on the landscape visible in NASA satellites.

108 million degrees! Solar flares are far hotter than thought, study suggests
By Sharmila Kuthunur published
New research shows that solar flares are six times hotter than thought and calls for updated sun models that could improve space weather forecasting.

Did NASA's Perseverance rover actually find evidence of life on Mars? We need to haul its samples home to find out, scientists say
By Mike Wall published
We'll likely need to get Perseverance's samples to Earth to determine if they do indeed harbor evidence of Mars life — but the prospects of such a mission are cloudy at best.
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