Venus could make a brief appearance this weekend as it passes between the Earth and the sun. Just be warned: It won't be easy to spot in the sun's glow, according to astronomers. The orbit Venus takes ...

On Jan. 31, 1958, Explorer 1 became the first satellite launched by the United States. Its primary science instrument, a ...

Earth's atmosphere is much more sensitive to ripples of radiation from the sun than scientists previously believed, new research by Queen's University Belfast has found. Solar flares, which are sudden ...

Our Sun, that steady burning ball of gas that has faithfully illuminated Earth for billions of years, is slowly but relentlessly growing brighter. This might sound like good news, but it's actually ...

Our Earth is structured sort of like an onion – it’s one layer after another. Starting from the top down, there’s the crust, which includes the surface you walk on; then farther down, the mantle, ...

NEW YORK (AP) — Venus will pass between the Earth and sun on Saturday during what's called an inferior conjunction. But don't plan on seeing the linkup. The sight is extremely difficult to spot ...

NEW YORK — Venus will pass between the Earth and sun on Saturday during what's called an inferior conjunction. But don't plan on seeing the linkup. The sight is extremely difficult to spot without ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. [WATCH: In the video player above, check out ...

Venus will pass between the Earth and sun on Saturday during what's called an inferior conjunction. The moment of conjunction will happen at around 9 p.m. EDT, but don't plan on seeing the linkup. The ...

Earth gained a mini-moon this Sunday, Sept. 29 by capturing a nearby asteroid with its gravitational field. Earth pulled asteroid 2024 PT5 into its gravitational field, changing the asteroid’s orbit ...