A team of scientists devised a new technique for estimating distances to pulsars, challenging traditional methods. By ...

A lucky alignment of galaxies allowed researchers to identify the most powerful and distant "space laser" ever found.

TV networks and sports leagues rely heavily on Nielsen to to tell them how many people at home watch football games, tennis matches and auto races. Counting viewers in bars, hotels and offices? That ...

A new megahertz laser improves satellite and debris tracking, strengthening orbit predictions and space safety.

Customs and Border Protection used a high-energy laser from the Pentagon earlier this week in the vicinity of El Paso, Texas, prompting concerns within the FAA and leading it to temporarily shut down ...

Scientists directly measured the lithium left behind in the mesosphere when pieces of a SpaceX rocket fell to Earth over ...

A Pentagon plan to use a high-energy, counter-drone laser without having coordinated with the Federal Aviation Administration about potential risks to civilian flights prompted Wednesday’s ...

The Pentagon allowed U.S. Customs and Border Protection to use an anti-drone laser earlier this week, leading the Federal Aviation Administration to suddenly close the airspace over El Paso, Texas, on ...

People familiar with the episode said the use of the technology was not coordinated with the Federal Aviation Administration. Officials targeted what they thought was a drug cartel drone, but turned ...

Mr. Shirky, a vice provost at New York University, has been helping faculty members and students adapt to digital tools since 2015. Back in 2023, when ChatGPT was still new, a professor friend had a ...

The Xtape1 is a very different take on the laser tape measure. This one has a laser, yes (three, actually, a red one is used for measuring, and two green aligning beams) that's good out to 330 feet ...

The Pentagon’s decision to let Customs and Border Protection test an anti-drone laser near El Paso coincided with a move by the Federal Aviation Administration to restrict flights in the area. The ...