Astronomers using the W. M. Keck Observatory in Hawaii have made a startling finding: a distant exoplanet with a tail hundreds of thousands of miles long. Planet WASP-69 b is located 164 light ...

The unusually green-hued comet ZTF, also known as ZTF (C/2022 E3), developed a strange and rare tail yesterday, pointing toward our sun rather than trailing out behind it. This is known as an ...