NASA has just premiered Planetary Defenders, offering a fascinating look at the high-stakes work geared toward protecting Earth from any large asteroids discovered coming our way.

In the coming days, there will be an exciting reason to gaze up at the sky: the Lyrids meteor shower. Formed out of remaining ...

Four of Earth’s neighbors are about to appear in a planetary alignment. Those four planets — Mercury, Venus, Neptune and ...

Around 3:00 a.m. on Wednesday, a bright object, initially appearing to be a meteorite, lit up the skies over Mexico’s capital, stretching plains, volcanoes and small towns ...

The northern lights were visible farther south than normal Tuesday, April 15, and they'll be visible again for some residents tonight, April 16.

A new study shows how the Sun and Earth's atmosphere destroy life-bearing meteoroids before they reach the planet.

The Lyrid meteor shower — "considered one of the oldest and most reliable celestial shows of the year" — will overlap the Eta ...

These particular meteors originate from Comet Thatcher, and during the peak are capable of creating surges of 100 meteors per ...

A Q&A with Lindley Johnson, a pioneer in blueprinting warning and response scenarios to any potential impact of Earth by an ...

The night sky will dazzle this week as the Lyrid meteor shower kicks off its annual display, marking the return of one of the oldest and most reliable celestial shows of the year.

While the number of meteors per hour could vary, there is a chance to see many of them race across the sky after the Lyrid ...

All that said, the findings can’t confirm the terrestrial life theory beyond a doubt. There’s still a chance hydrogen-heavy ...