The Nancy Grace Roman Space Telescope will be the first space telescope to use an “active coronagraph” to block out unwanted ...

Stretching from Topsfield in Washington County to the St. John Valley along U.S. Route 1, it is the largest complete, designed-to-scale solar system model in the world.

While life on Mars (and Venus) has long been an obsession for those wondering if we're alone, there are other places in our solar system that could support life in some form. This artist's concept ...

Our solar system has two ice giants, Uranus and Neptune, but there may have been a third. According to a new study published in the journal Icarus, this extra world might have triggered a violent ...

Plug-in solar systems are an alternative to large, professionally installed rooftop solar. The US regulatory system for utilities wasn't built for plug-and-play solar setups, so it's taking time for ...

Plug-in panels are getting popular—how do we make sure they’re safe? Dozens of US states are considering legislation to allow people to install plug-in solar systems, often called balcony solar. These ...

Astronomers have spotted something surprising in the far outer Solar System—a faint, short-lived atmosphere clinging to a tiny icy world that shouldn’t be able to hold one at all. The object, called ...

Somewhere between 5% and 7% of U.S. households have rooftop solar panels. Many more Americans want them, but high costs, building locations and landlord restrictions are key obstacles. As someone who ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

Some 4.6 billion years ago, when the solar system was born from a vast cloud that collapsed to form the sun and a surrounding disk of whirling gas, no planets yet orbited our star. Back then, besides ...

Planets around other stars can help answer one of the greatest mysteries: How did we get here? How did the spinning disk of material left behind by our sun’s birth form our planet and its seven ...

The standard story of the origin of our solar system has gone like this: 4.6 billion years ago, a giant cloud of dust hung frozen in space. Then the explosion of a nearby star caused part of that dust ...