Discover when and how to observe the interstellar comet 3I/ATLAS in the U.S. in late 2025. Learn about its features, viewing ...

The unit pumps out a continuous 3,600W of power through its dedicated TT-30 RV port with surge capability reaching 7,200W ...

When evaluating possible planets out of the thousands out there, explained Prof. Bean, scientists look for liquid water as a ...

Jupiter would need 80 times its current mass to ignite as a star, with gravity that could fling Earth out of the solar system ...

The bold question-askers at What If examine what could happen if we moved the entire solar system. Hurricane Melissa close to breaking pressure record ahead of Jamaica landfall GOP-led Oversight ...

Yeimy J. Rivera receives funding from NASA's Parker Solar Probe project through the SAO/SWEAP subcontract 975569. Tatiana Niembro receives funding from NASA's Parker Solar Probe project through the ...

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 ...

It's probably a comet, but it might be some sort of ancient alien spacecraft or probe. What's for sure is that the mystery surrounding an object known as 3I/ATLAS is becoming both more and ...

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 ...

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 ...