Rising carbon dioxide (CO2) emissions from human activities are the largest contributor to global warming. According to the ...

Artist rendering of the Indirect Fire Protection Capability-High Energy Laser. (Lockheed Martin) Editor’s note: This story originally appeared on Laser Wars, a newsletter about military laser weapons ...

The High Energy Laser with Integrated Optical-dazzler and Surveillance, deployed on a US naval ship, downed several drones last week. Here’s what you need to know about the game-changing technology.

Fernbridge increased its Tetra Tech stake by 2,051,175 shares; estimated trade size is $69.37 million based on quarterly average pricing. Quarter-end position value rose by $68.96 million, a change ...

Astronomers have discovered the brightest and most distant "megamaser" to date. The cosmic energy beam is shooting toward Earth from 8 billion light-years away and was spotted thanks to a weird ...

An ant that can turn carbon dioxide in the air into dolomite stone in its exoskeleton may hold clues to how humans can sequester greenhouse gases to avert climate disaster. Fungus-farming ants forage ...

Denver has levied a $10,000 fine against Tetra Lounge, one of the city’s only licensed cannabis consumption venues. Open at 3039 Walnut Street since 2018, Tetra has had a complicated relationship with ...

The unexpected and ultimately short-lived flight ban near El Paso this week stemmed from disagreements within the federal government over the use of a high-energy laser weapon system to take down ...

The Defense Department has been aggressively pursuing laser weapons and defense systems, a push that gained significant attention this week when the use of an anti-drone laser system led to the ...

Many direct air capture systems rely on heat and oxygen-sensitive materials, which can make them energy-intensive, less efficient, and less durable in real-world air conditions. Researchers devised an ...

Scientists have created a device that captures carbon dioxide and transforms it into a useful chemical in a single step. The new electrode works with realistic exhaust gases rather than requiring ...

Tetra Tech (NASDAQ:TTEK) is set to give its latest quarterly earnings report on Wednesday, 2026-01-28. Here's what investors need to know before the announcement. Analysts estimate that Tetra Tech ...