Astronomers stacked 15 unfiltered exposures, 240 seconds each, to obtain this image of comet C/2021 O3 (PanSTARRS) in July 2021. It’s the tiny object in the dead center of the image. In late April ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Already the brightest comet of 2021, Comet Leonard is undergoing ...

Reports are coming in that Comet Leonard—the hoped-for bright “Christmas Comet”—significantly brightened yesterday. Could it be bright for nights to come or could it just be a short-lived outburst?

This time last year, skygazers were treated to the “Christmas Star,” when Jupiter and Saturn aligned and appeared the closest together from Earth’s vantage point in nearly 800 years. Flash forward to ...

The 2020 holiday season featured a "Christmas star" when Jupiter and Saturn appeared extremely close and shined together, and this year, stargazers are in for another gift as the brightest comet of ...

This space view is from 20° north of the ecliptic plane and from longitude 235°. Grid lines on the plane are 1 astronomical unit (AU), the distance between the sun and the Earth. The ram’s-horn symbol ...

Use Venus, currently a brightly visible presence in the southwestern sky around sunset, as a way to help you find the comet. Comet Leonard was discovered in 2021 and made its closest approach to Earth ...

Santa Claus and his eight tiny reindeer won’t be the only shiny thing streaking through the Christmas week sky. Comet Leonard, or C/2021, the brightest comet of 2021, is visible this week. The comet ...

Santa Claus and his eight tiny reindeer won’t be the only shiny thing streaking through the Christmas week sky. Comet Leonard, or C/2021, the brightest comet of 2021, is visible this week. The comet ...