Satellite News

Unlike physical theories describing the other three fundamental forces in physics, the general theory of relativity has only been tested in weak gravity.

A kilonova is a bright blast of electromagnetic radiation that happens when two neutron stars or a neutron star and a stellar-mass black hole collide and merge.

The European Space Agency’s dark energy and dark matter detective spacecraft Euclid is ready for full “science mode” after relocating its guiding stars.

A new partnership is taking the concept of haute couture to new heights. Axiom Space has joined forces with Prada to design the spacesuits that NASA’s Artemis 3 astronauts will wear on the moon.

Parts for NASA’s boosters, which will assist the powerful Space Launch System for Artemis moon missions, arrived in Florida for preparation. These pieces will help bring four astronauts around the moon in late 2024.

A new study from researchers at the Southwest Research Institute has unearthed a fascinating discovery about Arrokoth, a trans-Neptunian object made famous by the New Horizons probe in 2020.

On Oct. 14, an annular solar eclipse will turn the sun into a spectacular “ring of fire.” Here’s what you can expect from the celestial phenomenon.

The galaxy NGC 6951 was a star factory 800 million years ago, then it halted operations for 300 million years before cranking stellar bodies out once more.