After leaving Earth, Tianwen-2 will reach Kamo‘oalewa by July 2026. This tiny, elongated asteroid likely spans no more than ...

In a new Physical Review Letters study, researchers have successfully followed a gravitational wave's complete journey from ...

The sun is far exceeding the consensus forecast, National Center for Atmospheric Research’s Scott McIntosh said last year, ...

The Polaris Dawn crew Jared Isaacman, Scott "Kidd" Poteet, Sarah Gillis and Anna Menon explain the experiments conducted during the mission. Also, see a time-lapse of Isaacman's spacewalk. Credit: ...

Trump's Golden Dome missile defense aims to fulfill Reagan's SDI vision with space-based interceptors, leveraging reduced launch costs and advanced technology.

U.S. President Donald Trump unveiled a plan for his ambitious "Golden Dome" missile defense shield this week, stating it will ...

The Thunder pummeled the Timberwolves 54-20 in the paint — which is going to need a fresh coat before Game 2 on Thursday.

Tracking exoplanets via orbital mechanics isn't easy. Plenty of variables could affect how a planet moves around its star, and determining which ones affect any given exoplanet requires a lot of data ...

De-Orbit Times Drop to Less Than a Week for 250 Kilometer Altitude The de-orbit time is the duration a satellite takes ... Fuel mass is then derived using the rocket equation approximation for small ...

From this value and the eccentricity e of Earth’s orbit (0.017), we can calculate the semiminor axis of Earth’s orbit by rearranging the equation to calculate eccentricity: ...

The asteroid will orbit the Earth for about two months starting from Sept. 29. The Earth is getting a second moon for a limited time beginning the end of September. An asteroid will come close ...

Imagine a long tether linking Earth to space that could launch us to orbit at a fraction of the ... The reason is something called the rocket equation. It takes a lot of fuel to get to space ...