NASA has confirmed the existence of 6,000 exoplanets. This milestone highlights the diversity of planetary systems.

Seismic studies reveal Mars may have a solid inner core. The result deepens knowledge of its evolution and lost magnetic field. Researchers have determined that Mars shares a structural similarity ...

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 ...

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

Pluto's unusual eccentricity and tilt is likely due to its interactions with neighboring Neptune and other giant planets, ...

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, ...