Mercury is farthest from the sun in Earth's morning sky on Aug. 19. Mercury will be farthest from the sun on Tuesday (Aug. 19 ...

Gravitational Interaction, Relativistic Precession, Planetary Ephemerides, Mercury Share and Cite: Bootello, J. (2025) ...

The rocky world will appear as a bright morning star hugging the horizon among the stars of the constellation Leo, with the bright star Regulus — also known as the "heart of the lion" — located less ...

This period where Mercury is farthest from the sun, called greatest elongation, happens twice every 116 days, or about every four months.

Amid the season with at least one meteor shower occurring every night, interstellar comet 3I/ATLAS may become visible to us ...

The European Space Agency’s Solar Orbiter mission recently stunned the world with the first-ever full images of our Sun’s South pole, proving that this was going to be a mission like no other. Using ...

In 1962, Scott Carpenter launched into orbit in Aurora 7! He named his capsule "Aurora", because he viewed his flight as a "celestial event.