On December 19, avid skywatchers can catch a glimpse of the mysterious visitor through powerful binoculars or a telescope ...

With 3I/ATLAS slated to make its Earth tour in two days, amateur photographers and astronomers alike are scrambling to catch ...

The interstellar comet discovered this summer could be visible this week as it makes one last pass near our planet.

Discovered over the summer, the comet known as 3I/Atlas will pass within 167 million miles (269 million kilometers) of our ...

Scientists detect ultraviolet signs of water in interstellar comet 3I/ATLAS, using NASA’s Swift telescope to study its activity far from the Sun.

Go outside right now. What’s the farthest thing you can see? A tree? A bird? What about the Moon? It’s 250,000 miles away. The Sun is 400 times farther than that, at nearly 100 million miles (but ...

Astrophotography has shifted from a niche pursuit to a mainstream hobby, and the telescope you choose now matters as much as ...

"The natural question that comes up is: how many more space telescopes will be affected when all these constellations are ...

If you feel a thrill every time we discover something new about the cosmos, then November 25th may have been a noteworthy day ...

The interstellar comet 3I/ATLAS will reach its closest point to our world Dec. 19. According to NASA, people will be able to ...

This rare interstellar visitor (C/2025 N1) is visible now! While too faint for the naked eye, amateur astronomers can easily ...

Astronomers have long been concerned about reflections from satellites showing up in images taken by telescopes and other ...