Ancient Mars May Have Been More Habitable Than It Looks Today Modern Mars is cold, dry, and exposed to harsh radiation. Its ...

The video ranks the biggest cosmic threats to humanity, from rogue planets and black holes to supernovas, gamma ray bursts, ...

Last year, an interstellar traveler entered our solar system. Some speculated that it was an alien spacecraft, but it turned ...

Interstellar comet 3I/ATLAS carries isotopic ratios entirely outside the Solar System range, ESO’s Very Large Telescope has ...

NASA is lighting the cosmos in red, white and blue in honor of the 250 t h birthday of the United States—and the show even ...

In one of the most memorable moments — and my personal favorite scene — from M. Night Shyamalan’s 2002 sci-fi thriller “Signs ...

The new supplement reaches across genres to offer threats for fans of classic sci-fi or Avatar: The Last Airbender.

Thousands of Brazilians received emergency alerts in the middle of the night warning of an "alien attack." Users received a flurry of push notifications mimicking government emergency alerts. It was ...

NASA's Swift Observatory is in peril. A last minute mission to save it could make spaceflight history. Here's everything to ...

Abstract: Cosmic-ray neutron sensing (CRNS) has emerged as a promising technique for non-invasive, field-scale soil moisture monitoring, offering advantages over conventional point-based sensors.

Find out how Disclosure Day compares to Steven Spielberg's other sci-fi movies, like Jurassic Park and Minority Report, ...