The sun is in its most active phase—solar summer—causing auroras and posing real risks to satellites, GPS, and power systems ...

Harvard’s Avi Loeb and astrophysicist Neil deGrasse Tyson weigh in on interstellar comet 3I/ATLAS and the rising alien ...

In this curious film, a pair of friends venture out into the desert to build an accurate to scale model of our solar system.

A new NASA-backed study suggests alien civilisations could eavesdrop on Earth's space transmissions, offering a new approach ...

Pluto is a bit of a loner. The dwarf planet is no longer considered a regular planet; it does not orbit on the same plane as ...

TRAPPIST-1e shows no signs of its first atmosphere, but hints of a secondary one remain. Liquid water could still be possible ...

TRAPPIST-1e, 40 light-years away, may have an Earth-like atmosphere, raising hopes for habitability beyond our solar system.

Several well-known meteorite discoveries are still a mystery. Avi Loeb’s interpretation of some meteorite debris possibly being of alien origin is controversial, because peer‑reviewed analyses point ...

Much as we may treasure and proclaim our independence, we actually live in a protective bubble called the heliosphere.

Scientists have found thousands of planets outside our solar system, called exoplanets, throughout the galaxy. This artist’s ...

Three missions aimed at observing space weather are set to launch Sept. 23 from Florida. Here's what to know about NASA's ...

Astronomers might be close to confirming the presence of an Earth-like atmosphere on an exoplanet for the first time, ...