The livestream will begin at 3:45 p.m. EDT on May 18, bringing near real time views of the asteroid from robotic telescopes in Italy, weather permitting.

Researchers expected to find "a gradual increase in artificial light at night," but instead saw "much more nuanced patterns," NASA said.

For decades, astronomers have tracked a small group of space rocks that share Earth’s orbit around the sun. Among them, Asteroid 2016 HO3 and the well-known quasi-satellite Kamo’oalewa have sparked intense debate: are these cosmic companions simply wandering asteroids from the main belt,

There are 8 billion of us alive today, give or take a few hundred million. We crowd cities, cross oceans in mere hours, and argue through glowing screens. That certainly sounds like a lot of people, but set all that life against the whole human story,

Forecasts say up to three glancing CME impacts could trigger G1 and possible G2 geomagnetic storms through May 20, boosting aurora chances across parts of the northern U.S.

A joint European-Chinese spacecraft is set to blast off Tuesday to investigate what happens when extreme winds and giant explosions of plasma shot out from the sun slam into Earth's magnetic shield.

Three coronal mass ejections fired from the sun over the past 48 hours are now racing toward Earth, and the National Oceanic and Atmospheric Administration expects their combined arrival to push geomagnetic storm conditions to the G2 level on the evening of June 12,

The world needs more rare earth materials. A surprisingly few mines are responsible for global production.