Image: Hubble captures a monster merger

This NASA/ESA Hubble Space Telescope image features Arp 122, a peculiar galaxy that in fact comprises two galaxies—NGC 6040, the tilted, warped spiral galaxy and LEDA 59642, the round, face-on spiral—that are in the midst ...

Can alien civilizations detect humanity?

One of the fascinating things about being a human in this age is that we can do more than wonder about other life and other civilizations. We can actually look for them, although there are obvious limitations to our search. ...

How many planets could be in the Kuiper Belt?

A recent study published in the Astrophysical Journal Letters investigates the potential existence of Mars-sized free-floating planets (FFPs)—also known as rogue planets, starless planets, and wandering planets—that could ...

New ultra-short period binary discovered

Using the Tsinghua University–Ma Huateng Telescopes for Survey (TMTS), an international team of astronomers has discovered a new binary known as TMTS J052610.43+593445.1. The newfound system is an ultrashort-orbital-period ...

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