An interstellar comet that originated outside our solar system has just made its closest pass to the sun, brightening ...

Harvard astronomer Avi Loeb has argued at length that 3I/ATLAS — the third-ever interstellar object ever detected, currently ...

industry-scale solar recycling system, and we just received affirmation on the imminent issuances of our remaining permits, on schedule, and we look forward to commissioning our first-of-its-kind, ...

It's largely agreed that the moon was created around 4.5 billion years ago when a protoplanet collided with early molten ...

“If I show you an aerial map of my town, or if I show you the chart ... Solar, Connecticut is lagging behind neighboring states when it comes to the deployment of utility-scale solar. According to a ...

Space weather isn’t referring to rain clouds that float through the galaxy. Instead, it’s caused by massive explosions of particles that shoot out from the Sun.

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 ...

San Diego Community Power announced Wednesday a $55 million initiative that will offer rebates and incentives to encourage its customers to install solar-plus-battery systems in their homes. “This is ...

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 ...

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 ...

New observations suggest that the dwarf planet Makemake is surrounded by faintly glowing methane gas. Scientists are unsure if the gas is contained within a wispy atmosphere or being ejected into ...