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 ...

Scientists have discovered new information about the interstellar object nearing Earth which could reveal facts about the ...

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 ...

NASA is gearing up to launch the Interstellar Mapping and Acceleration Probe (IMAP), a mission aimed at exploring the ...

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

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

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

The Solar System is vast, made up of eight planets, countless moons, and millions of asteroids, all orbiting the Sun. But like any territory, it has a boundary. This boundary is invisible, yet it ...

Alien civilizations could eavesdrop on our communications with our spacecraft and rovers, according to a new study – and we might be able to find them the same way.

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 ...