In 2017 Oumuamua became the first known object to enter our solar system from another star Its strange shape and speed defied explanation Now scientists are preparing Project Lyra a daring mission to ...

Rare interstellar visitor the size of Manhattan carries secrets from distant star system Controversial 'comet': An artist's rendition of Comet 3I/ATLAS as it rockets through our Solar System at 58 km ...

Voyager 1, launched in 1977, has traveled farther than any spacecraft in human history. After more than four decades of silent endurance through space, it now sails beyond the orbit of the outer ...

The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper’s authors have dubbed ...

A new analysis estimates that the asteroid belt is steadily losing mass each year, and may not be as permanent a feature of the solar system as we thought. A team of astronomers led by Julio Fernández ...

Our solar system is a smashing success. A new study suggests that from its earliest period—even before the last of its nebular gas had been consumed—Earth's solar system and its planets looked more ...

While many dream of bases on Mars and cities above Venus, the reality of colonizing the Solar System is far more difficult and may be impossible with today’s technology. NATO scrambles fighter jets as ...

On August 24, 2006, our solar system lost a planet. It wasn't by cataclysmic destruction, but rather by the vote of the International Astronomical Union, which declared that Pluto, considered the ...

A long-dormant coal mine waste site in Pennsylvania has new life, providing solar power to the local community thanks to a groundbreaking tracking system enabling installation across challenging ...

NASA’s SPHEREx joined Webb and Hubble in studying interstellar comet 3I/ATLAS, gathering data on its size, chemistry, and physical traits. While harmless to Earth, the comet provides scientists a rare ...

Object 3I/ATLAS is now too far from Earth to aim a telescope at, but prior observations showed some unusual behavior. The anomalous nature of the object led astrophysicist Avi Loeb to apply a thought ...