Astronomers have discovered yet another alien visitor to the Solar System.

With the sudden end of a long-standing federal tax credit for residential solar projects in sight, Maine’s solar installation companies are bracing for a short surge in demand followed by a long ...

The space agency spotted the quick-moving object with the Atlas telescope in Chile earlier this week, and confirmed it was a comet from another star system. It’s officially the third known ...

NASA telescopes in Chile have discovered a comet from interstellar space, making its closest approach in October.

Watch interstellar comet 3I/ATLAS live online tonight as it races toward the sun on a rare visit from beyond our solar system.

CAPE CANAVERAL, Fla. (AP) — Astronomers are monitoring an object headed our way that may have wandered over from another star system.

An updated draft of the Senate’s megabill text slashes tax incentives for wind and solar energy — and adds a new tax on future wind and solar projects. The initial draft released by Senate ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new simulations show.

The Republican-controlled Congress is poised to score a major win for President Trump by repealing green energy incentives that Democrats passed in 2022.

Swiss solar maker Meyer Burger files for Chapter 11 bankruptcy in the US, following insolvency proceedings in Germany this month.

Fermi America and Texas Tech to launch Hypergrid, a massive 5,800-acre energy and AI campus powered by nuclear, gas, solar, and wind on July 4.

This artist’s concept depicts one of the solar system’s inner planets slamming into Earth after being nudged on a collision course by a passing star. Such a world-shattering cataclysm is ...