The Vela explosion stands out as the most dramatic example, occurring when our planet was emerging from the last ice age around 13,000 years ago.

Summer brings heat, sun and outdoor fun. But it also means protecting your skin from sunburn and harmful ultraviolet sun rays ...

Scientists using NASA's Hubble Space Telescope went looking for evidence of one phenomenon and found quite another.

Earth harbors incredible secrets, from remnants of a planet that formed the Moon residing deep within, to ancient auroras illuminating the skies. The planet's molten core influenced early human ...

A study published in the journal Earth and Planetary Science Letters has uncovered evidence of an extreme ancient solar storm ...

A powerful and worrying event is taking place on the surface of the Sun. A highly active region, known as Sunspot AR4087, is shooting out some of the most intense solar explosions seen in recent times ...

000 miles from the Sun’s surface. Initially feared to trigger a severe geomagnetic storm on Earth, scientists later confirmed the planet narrowly avoided a direct hit, receiving only a glancing ...

Astronomers witnessed something remarkable in 2022: a Gamma-Ray Burst (GRB) so strong that it changed Earth ... Understanding the 2.4-billion-year journey of the ancient light It just hit the Earth, ...

Instead of that sunlight hitting the moon’s surface, Earth's shadow falls on it ... as the powerful rays of the sun can burn and damage your retinas.

"A new study of 56,000 sun-like stars reveals that ... If a solar superflare ever strikes Earth, the first thing to hit us will be an intense flash of X-ray and ultraviolet radiation, according ...

Many of the objects move invisibly in the sun ... X-ray burst hit it. "It was a novel idea," Moore said. "A mock asteroid is suspended in space. For a one-nanometer fall, we can ignore Earth ...

Variations within the sun’s magnetic field regulate the movement of high-energy particles, called cosmic rays, through space, Miesch said. When cosmic rays hit Earth’s atmosphere, they can ...