Even small asteroids can do a lot of damage—and new research shows the James Webb Space Telescope is adept at spotting the ...

The universe is big, so the news is delayed by the vast gulfs of space it has to cross ... reach it and roughly the same time to return to Earth. By the time the light reaches us, it has spread ...

When discussing how far things are, time and space are inextricably linked. Now for a thought exercise to boggle the mind: ...

Year? A light-year is the distance light travels in one year. Light moves incredibly fast — about 186,000 miles (300,000 ...

An extreme heating event may have interfered with scientists’ attempts to figure out the Moon’s age by dating lunar rock ...

Doubly unfortunate for those among us eager to visit galaxies far, far away–even moving at near lightspeed isn’t in the cards. “It’s neither possible nor survivable to travel near the speed of light ...

Not only does the new hypothesis shed light on the ... rare at the current time!” Since late September, an asteroid named 2024 PT5 has been traveling near Earth. The space rock is commonly ...

The northern lights, also known as the aurora borealis, are mesmerizing ribbons of light that have fascinated ... into our sun's activity, space weather and Earth's magnetic field.

Although the space agency has confirmed no imminent danger, the close encounters highlight the importance of vigilant ...

Thanks to the James Webb Space Telescope, we may have spotted a galactic neighbor with all the right molecular ingredients a ...

For spectators, total solar eclipses – such as the one that dazzled millions in April across North America – represent ...