By a small margin, Titan is the second-largest moon in the solar system, and is also the only moon with a thick atmosphere.

Sky This Week is brought to you in part by Celestron. Friday, January 23Pluto reaches conjunction with the Sun at 5 A.M. EST.

Are you ready for a new start? Are you sick and tired of Earth and all its problems? Well, here’s your chance to start fresh, ...

Predicting space exploration is difficult. History is full of delays and canceled plans. This video examines realistic expectations for lunar missions, infrastructure, and scientific use over the next ...

Portugal has entered the small group of countries with experimental capability in hypersonic research ...

Before Robert Saleh even begins officially coaching the Titans, he has already gained an endorsement from Jeffery Simmons.

Sky This Week is brought to you in part by Celestron. Friday, January 9Cygnus may be sinking toward the horizon a few hours ...

The lunar crescent will disappear below the horizon before midnight on Jan. 22.

NASA and the Department of Energy signed an agreement earlier this week committing to put a nuclear reactor on the moon in ...

Alicja Ostrowska's doctoral thesis "Life and AI at NASA" examines how artificial intelligence is transforming the way science ...

Do you know which planet could float in a giant bathtub? Discover the science behind its low density, its hundreds of moons, ...

The Instituto Superior Técnico (IST) conducted its first hypersonic test, in which the speed reached is equivalent to "crossing mainland Portugal, from north to south, in just over five minutes," the ...