Sun releases significant solar flare

The Sun emitted a significant solar flare on April 16, 2022, peaking at 11:34 p.m. EST. NASA's Solar Dynamics Observatory, which watches the Sun constantly, captured an image of the event.

Significant solar flare erupts from sun

The sun emitted a significant solar flare on March 30, 2022, peaking at 1:35 p.m. EST. NASA's Solar Dynamics Observatory, which watches the sun constantly, captured an image of the event.

Fossil fuels, renewable energy, and electric vehicles

The transition to an environmentally sustainable economy will take at least a generation, if not a bit longer. And at the end of the journey, we will not emerge with a pristine planet. The goal is to minimize the damage we ...

Riding a laser to Mars

Could a laser send a spacecraft to Mars? That's a proposed mission from a group at McGill University, designed to meet a solicitation from NASA. The laser, a 10-meter wide array on Earth, would heat hydrogen plasma in a chamber ...

page 13 from 40