Space company Kepler Communications has raised an oversubscribed US$60M Series B to provide it with a capital injection for the continued scaling of its on-orbit satellite communications network. This ...

"Exomoons are so far away that we cannot see them directly, even with the most powerful modern telescopes," said Dr. René Heller, who is an astrophysicist at Max Planck and lead author of the study.

TAMPA, Fla. — Canadian startup Kepler plans to build a U.S. presence after raising $60 million for its low Earth orbit (LEO) satellite data constellation. The company said the office expansion will ...

And then there were two—maybe. Astronomers say they have found a second plausible candidate for a moon beyond our solar system, an exomoon, orbiting a world nearly 6,000 light-years from Earth. Called ...

Orbital properties of the 70 cool giants. A comparison of the derived orbital eccentricities from this work (y-axis) versus the orbital periods (previously known) for our planetary candidates sample.

Our Solar System is full of hundreds of moons, with the outer giant planets having dozens each to their name. But so far, we haven’t convincingly detected a moon orbiting a planet outside the Solar ...

Comparison of the relative sizes of several Kepler circumbinary planets, from the smallest, Kepler-47 b, to the largest, Kepler-1647 b. Kepler-1647 b is substantially larger than any of the previously ...

If our Moon suddenly vanished, Earth would already face dramatic consequences. But replacing it with entire alien worlds ...