Mercury was once believed to be a dead and lifeless world, but new discoveries revealed by NASA missions have transformed the ...

The exoplanet is gravitationally gripped in a speedy, 11-hour orbit around a red dwarf star that's less than one-fifth the ...

The most impressive feature on Mercury is the Caloris Basin, a vast, multi-ringed crater over 800 miles across, which is ...

Despite being the closest planet to the sun, Mercury has thick deposits of ice at its poles, and now we may understand the ...

A new study suggests that water ice on Mercury may have been deposited in one Mercurian day by an impactor larger and slower ...

The source of the significant water ice deposits hidden in Mercury's polar regions has been a topic of debate among ...

Japan’s Aerospace Exploration Agency (JAXA) has offered a definitive date for the BepiColombo mission’s arrival at Mercury.

A hot, rocky planet discovered using the Kepler space telescope is the smallest ever found outside our solar system. The new planet, called Kepler-37b, has a radius less than a third the size of Earth ...

If you have questions you would like answered on Astro Brief, email them to Dr. Mike Reed at mikereed@missouristate.edu.

The moon glows with the Beehive Cluster on May 21, as a trio of planets form up in the evening sky.

May 26, 2026, is not a complicated day for Cancer. It’s actually one of the more harmonious ones you’ve had in a while. The challenge isn’t decoding some difficult planetary square or navigating ...

A NASA spacecraft bound for an unusual metallic asteroid recently made a strategic flyby of Mars — and its cameras captured a rare perspective of the red planet along the way. The Psyche mission, ...