Threats from space aren't always obvious, but statistically, it's only a matter of time before one of them happens. One of ...

Titan, the second largest moon in the Solar System—indeed, it is even larger than the planet Mercury—draws attention not only because of its size, but also due to its dense, hazy atmosphere, an ...

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 ...

NASA has gone dark just hours before humans get the closest look at the mysterious object barreling through our solar system. The interstellar object dubbed 3I/ATLAS will come within 18 million miles ...

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 ...

Portal’s heat exchanger thruster, known as Flare, fires up during a test in a vacuum chamber. (Portal Space Systems Photo) Bothell, Wash.-based Portal Space Systems says it has successfully tested its ...

The National Aeronautics and Space Administration has confirmed an interstellar object is passing through our solar system. The object is a comet hailing from the direction of the constellation ...

This illustration shows the creation of an asteroid family. Ejected fragments from catastrophic collisions of asteroids between Mars and Jupiter tend to follow similar orbits around the sun, allowing ...

The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously thought, astronomers say. A comet named 3I/ATLAS likely weighs more than 33 ...

A mysterious object hurtling through space has been identified as a rare “interstellar object,” only the third of its kind ever seen. In July, NASA reported its ATLAS (Asteroid Terrestrial-impact Last ...

The number of confirmed planets outside of our solar system—known as exoplanets—has risen to 6,000, NASA has said. There is huge variety across these distant worlds, the space agency says, with ...