In 2004, a bright point of light in the debris disk surrounding Fomalhaut was thought to be an exoplanet. But the spot ...

Biggest vs smallest - how do we measure up in the grand scheme of the universe? Explore the fascinating scales of existence, from quantum particles to the observable universe’s edge. A journey into ...

Interstellar Comet 3I/ATLAS makes its closest Earth pass early on Dec. 19. Here's what astronomers know about its origin and speed.

Astronomers have been treated to a stunning fireworks display from around a young star called The events, detected in 2004 ...

The 84-foot-diameter space rock—dubbed "2025 XM"—is hurtling through the solar system at a zippy 9,753 miles per hour.

Astronomers have made a truly mind-boggling discovery using the James Webb Space Telescope (JWST): a runaway black hole 10 ...

According to NASA, an asteroid is labelled "potentially hazardous" based on a combination of factors: its size and how close ...

One of the most well-known voices speaking about it is Harvard professor Avi Loeb, who suggests that the object may not be a random wanderer at all. He believes there are a few signs that point to the ...

Active boundary heating and cooling can make a small object look much larger to thermal sensors, a step toward compact ...

Mysterious Bright Flashes in the Night Sky Baffle Astronomers Celestial transients shine furiously and briefly. Astronomers ...

Then, on November 25, teams at NASA’s Goddard Space Flight Center in Greenbelt, Maryland, joined the inner and outer portions ...

Earth isn’t a perfect sphere. The rotation of our planet causes it to bulge ever so slightly at the equator, making it about ...