A Dec. 28, 2023, Facebook post (direct link, archive link) claims humanity's basic understanding of the solar system is flawed. "They say the sun is 400 times larger than the moon and that it only ...

International astronomers have for the first time witnessed the birth of a planetary system beyond Earth's sun that could one ...

The Earth-Moon-Sun system has traditionally provided the best laboratory for testing the strong equivalence principle. For a decade, the Apache Point Observatory Lunar Laser-ranging Operation ...

The moon is not a reflection of Earth, despite a viral TikTok clip circulating online. The moon is a satellite that rotates around the Earth, pulled in by gravity.

Earth should have captured a temporary "second moon" on Sunday (Sept. 29). When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. NASA scientists ...

Earth is about to gain a new “mini-moon,” but it won’t stay around for long. The newly discovered asteroid, named 2024 PT5, will temporarily be captured by Earth’s gravity and orbit our ...