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NASA's Mars Rover Spirit landed successfully on Mars on January 4, 2004, beginning a mission to explore the planet's surface.

In June 1983, Pioneer 10 spacecraft became the first to travel past Neptune, paving the way for distant space exploration.

NASA's Juno spacecraft entered Jupiter's orbit on July 4, 2016, to study the planet's composition, gravitational field, and magnetic field.

Comet Hyakutake was a spectacularly bright comet, closest to Earth in March 1996, known for its long tail.

Comet Hale-Bopp reached its closest approach to the Sun on April 1, 1997, and was visible to the naked eye for 18 months.

The Hubble Space Telescope was launched on April 24, 1990, providing unprecedented clear images and data on distant celestial bodies.

A total solar eclipse occurred on August 11, 1999. Observed across Europe and Asia, it was one of the most-viewed eclipses in history.

The Carrington Event was a powerful geomagnetic storm on September 1, 1859, caused by a solar flare, affecting telegraph systems and producing auroras.

NASA's New Horizons spacecraft conducted a flyby of Pluto on July 14, 2015, offering the first close-up images and data of the dwarf planet.

The first direct detection of gravitational waves was made on September 14, 2015, by LIGO, confirming a key prediction of Einstein's general theory of relativity.

Charon, the largest moon of Pluto, was discovered on June 22, 1978, greatly improving our understanding of the Pluto system.

Kepler Space Observatory launched on March 7, 2009, has greatly contributed to exoplanet discovery with its photometric precision.

A meteor exploded in the atmosphere over Chelyabinsk, Russia, on February 15, 2013, causing damage and injuries due to its powerful shockwave.

The Parker Solar Probe was launched on August 12, 2018, to study the Sun's outer corona, solar winds, and understand solar dynamics better.

The dwarf planet Sedna was discovered on November 14, 2003, known for its highly elliptical orbit and distant location in the Solar System.

Eris, a dwarf planet larger than Pluto, was discovered on July 29, 2005, leading to questions about what constitutes a planet.

Halley's Comet is a short-period comet visible from Earth every 74-79 years and was last seen in 1986.

A total lunar eclipse occurred on May 26, 2021, resulting in a so-called 'super blood moon' due to its coinciding with a supermoon.

The transit of Venus across the Sun's face on June 5-6, 2012 was an event that occurs in pairs 8 years apart but less frequently in a pattern that repeats every 243 years.