Abstract: This paper considers a movable antenna (MA)-aided secure multiple-input multiple-output (MIMO) communication system consisting of a base station (BS), a legitimate information receiver (IR) ...

Harvard Professor Avi Loeb discusses the mystery surrounding the 31/ATLAS comet and explains his argument that it has a 40% chance of being alien technology. Government shutdown live updates; Trump ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky.

With OpenAI’s release of the ChatGPT Atlas web browser, we evaluated its reviews next to Perplexity’s Comet in the battle that’s reshaping how we use the web. OpenAI launched ChatGPT Atlas, a new ...

Abstract: In this paper, we describe two characterization methodologies for dual-band HF/UHF RFIC chips and antennas with single and differential-ended port configurations. Test fixtures and ...

On the surface, it is a call to action for the world's astronomers: a global 'training exercise' to get better at tracking a fuzzy, unpredictable comet. But online, a different, more terrifying theory ...

Two comets, Lemmon and Swan, are visible in the October night sky. Comet Lemmon is making its closest approach to Earth on Oct. 21 and can be seen with the naked eye. For the best viewing, find a dark ...

Oklahomans have a rare cosmic guest overhead in October. Comet Lemmon (C/2025 A6) is making a flyby that won't happen again for another 1,300 years. And yes, it is visible to the naked eye — barely.

The most visible comet of the fall will make its closest approach to Earth overnight. Comet Lemmon (C/2025 A4) is one of a pair of comets sweeping through the solar system. The other is SWAN (C/2025 ...

The Comet Neowise in the sky in 2020. The latest anomaly that has scientists and space enthusiasts talking as of late is a comet called 3I/ATLAS. As the comet approaches the sun, a new photo of the ...

Did you see what looked like a fireball in Northern Kentucky the evening of Monday, Oct. 20? Members of a Boone County Facebook group shared images of what appeared to be a streak of fire falling in ...