I/ATLAS is a fast, ancient interstellar object. Its odd features fuel both scientific study and speculation. On July 1, ...

NASA has responded to speculation that mysterious interstellar object 3I/ATLAS is actually an alien starship preparing to invade Earth.

The solar system holds extraordinary wonders, from Voyager 1’s historic journey into interstellar space after traveling ...

Travel through time to witness some of the most remarkable episodes in our solar system's history, uncovering its ancient ...

The milestone highlights the accelerating rate of discoveries, just over three decades since the first exoplanets were found.

Back in 2019, a consortium of scientists predicted August 2025 as the peak of the solar activity cycle. But where are we now?

As interstellar object 3I/ATLAS approaches its closest point to the Sun next month, the mysterious visitor continues to ...

Scientists are continuously monitoring the mysterious interstellar object racing through our solar system.The space object ...

Gemini South caught Comet 3I/ATLAS “switching on,” as students and astronomers joined to see dust, gas, chemistry from ...

Aliza Chasan is a Digital Content Producer for "60 Minutes" and CBSNews.com. She has previously written for outlets including PIX11 News, The New York Daily News, Inside Edition and DNAinfo. Aliza ...

Most comets, including the well-known Halley's, loop through our solar system like cosmic time capsules that formed alongside our Sun and planets around 4.5 billion years ago. But every now and then, ...