Super-Earths and sub-Neptunes, planets with sizes between Earth and Neptune, constitute approximately one-third of known exoplanets but are absent in our solar system. Their prevalence elsewhere and ...

A series of three powerful flares and associated explosions of solar material out across the Solar System have set Earth ...

The X5.1-class eruption from sunspot AR4274 is this year's most powerful solar flare and Earth is in the firing line.

Project Suncatcher envisions networks of AI satellites powered by sunlight, pushing machine learning beyond Earth. Imagine ...

There may be another world lurking between the orbital lines of our solar system. Astronomers in Japan have published their theory of an “Earth-like planet,” dubbed Planet Nine, that’s hiding in plain ...

Spiral Galaxy from Kirkland et al. CREDIT Chris Kirkland and colleagues. A new study of zircon crystals from two of Earth’s oldest continents indicates that the formation of Earth’s continental crust ...

The sun produces more power than 100 trillion times humanity's entire electricity generation. In orbit, solar panels can be ...

Two million years ago, an encounter with a cold cloud of gas and dust could have caused our planet's "protective giant bubble" to draw back, potentially cooling our planet, new research claims. When ...