Bothell, Wash.-based Portal Space Systems shows off the lab where its solar thermal propulsion system will be developed.

Firefly Aerospace’s Blue Ghost lander marks the first fully successful commercial moon mission, achieving all objectives and ...

In addition to these payloads, Texas-based Firefly performed some work of its own on the Moon. Blue Ghost captured a total ...

A combination of cosmic processes shapes the formation of one of the most common types of planets outside of our solar system, according to a new study.

A new study has revealed the structure of extreme winds on WASP-121b, a gas giant located 1,300 light-years away. This ...

Barnard's Star is a small, dim star of the type that astronomers call red dwarfs. Consequently, even though it is one of the ...

While none will be visible in Michigan, 2025 will see three more eclipses: a partial solar eclipse this spring, a partial ...

Firefly Aerospace managed to stay upright when it landed on the moon two weeks ago and announced Monday it had completed its ...

The stunning comet C/2024 G3 lights up the sunset sky over Chile's Very Large Telescope in this spectacular photo.

Powering spacecraft with solar energy may not seem like a challenge, given how intense the sun's light can feel on Earth.

Specifically, the findings support the hypothesis that supernovae could have triggered two of the so-called "big five" mass ...

Astronomers have discovered four planets that are just a fraction of the mass of Earth orbiting Barnard’s Star, which is 6 ...