If you have any clear night skies this week, bundle up and get outside to see the best meteor shower of the year!

We have all the latest images of our interstellar visitor from ESA's Juice, Hubble, NASA's STEREO, and even a photobomb from ...

And why many scientists are freaked out about the first serious for-profit company moving into the solar geoengineering field.

Hole in the Sky, by Daniel H. Wilson, is one of Scientific American’s best fiction picks of 2025. In the novel, aliens talk ...

Is an interstellar comet actually an alien spaceship? A researcher traces how influencers spread such speculation via social ...

The Expanse became one of Prime Video's definitive sci-fi series, and there are some episodes that embody the genre better ...

In theory, leaner NASA oversight, greater use of off‑the‑shelf hardware and narrower science goals can cut costs while launching more missions and increasing the total science return. If ESCAPADE ...

Begum Rokeya Sakhawat Hossain wrote a short story “Souro Jagat” (The Solar System) in the early 1900s in which Gauhar, an ...

The Ivanpah Solar Power Facility rose from California’s Mojave Desert as a symbol of America’s ambition to expand clean ...

But Begum Rokeya must have had an epiphany that made her change her mind. A few years later, in 1911, Begum Rokeya ...

The US last week released its new National Security Strategy – and it wasn’t good news for Europe. The document – which sets ...

Mert Bayar, a postdoctoral scholar at the University of Washington's Centre for an Informed Public, zeroed in on the 3I/ATLAS ...