Earth's moon is both the brightest and the largest object in the night sky, in terms of apparent size, making it a ...

Some galaxies eject powerful streams of charged particles—jets—from their centers into space. The prominent jet of Messier 87 ...

Today, an estimated 2.2 billion people still have either limited or no access to the internet, largely because they live in ...

After sitting dormant for more than a decade, a $1B gas-fired power plant near Moundsville, W.Va., is moving forward again.

Each Monday, I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes ...

Already recognized for its excellence and even adopted for operational weather forecasting, the European Space Agency's Arctic Weather Satellite has now fulfilled its most important role. This small ...

Learn how to find Sirius and Procyon in the evening sky this week. Step-by-step guide includes constellation positions, companion stars and observing times.

Abstract: Low-earth-orbit (LEO) mega-constellations with inter-satellite links (ISLs) are becoming the Internet backbone in space. Satellites within LEO often need the capability to enforce data ...

The JWST tracks a path right-to-left across the eastern horizon in the hours following sunset in January. On Jan. 19 it will be located to the left of the star Nu Orionis in the raised right arm of ...

Abstract: Mega-satellite constellations have the potential to leverage inter-satellite links to deliver low-latency end-to-end communication services globally, thereby extending connectivity to ...

On Tuesday, February 17, 2025, the comet is predicted to come closest to Earth at a distance of around 151.5 million kilometers, or 1.01 astronomical units (AU).