The first crew arrived at the International Space Station onboard a Soyuz spacecraft.
A conjunction of Sun, Mercury, Venus, Mars, Jupiter, Saturn, and the Moon occurred.
The last total solar eclipse of the 20th century occurred and was visible from Europe and Asia.
North Korea Announces the Launch of its First Satellite.
Two new moons orbiting Uranus were announced in Nature magazine.
Jupiter's moon was found to have a liquid ocean under a thick crust of ice.
American Psychologist Timothy Leary and Star Trek creator Gene Roddenberry were launched into orbit after being cremated.
The super-bright comet 'Hale-Bopp' reached its closest point to Earth at a distance of 1.215 AU, making it visible to the naked eye.
The Hubble Space Telescope captured the first images of the surface of Pluto.
People in South Asia witnessed a total eclipse that lasted 2 minutes and 9 seconds.
Comet Hale–Bopp discovered.
Two new moons of Saturn were found in photos from the Hubble Space Telescope by Astronomers Amanda S. Bosh and Andrew S. Rivkin.
The population of space hit a new record with 13 astronauts.
Gliese 229B became the first brown dwarf to be seen and identified by astronomers.
A galaxy named 'Dwingeloo 1' was discovered to be just 10 million light-years from our own.
Comet Shoemaker–Levy 9 collides with Jupiter.
Russian cosmonaut Valeri Polyakov begins his record spaceflight.
Carolyn & Eugene Shoemaker and David Levy discovered the Shoemaker-Levy 9 comet.
Pioneer Venus Orbiter, or Pioneer 12, sent its last transmission as it fell from its orbit around Venus.
Mae Jemison becomes first Black woman in space.
The first exoplanets are discovered.
A large explosion above the Pacific Ocean turned out to be a meteorite.
The asteroid Eureka was discovered by David H. Levy.
Pale Blue Dot, an iconic photo of our Earth, was taken by Voyager 1 space probe.
Abdul Mohmand becomes the first person from Afghanistan to Visit Space.
First Day of Harmonic Convergence.
Halley's Comet was last seen from Earth. It only orbits the Earth once every 75 to 76 years.
First salvage operation in space.
Svetlana Savitskaya Becomes the First Woman to Walk in Space.
NASA astronauts take the first untethered spacewalk.
Cosmonauts Titov and Strekalov narrowly escaped the Soyuz T-10 spacecraft explosion.
Guion S. Bluford becomes the first African American to travel to space.
The first Hughes Communications Galaxy satellite was launched into orbit.
All nine planets (including Pluto) lined up with the sun.
The Space Shuttle Columbia launched with STS-2 from LC-39A, Kennedy Space Center, Florida, USA.
Pioneer 11 makes its closest approach to Saturn.
Many volcanoes were discovered on one of planet Jupiter's moons called Io.
Sigmund Jähn becomes 1st German in space.
United States Naval Observatory astronomer James Christy discovered Pluto's largest moon.
Ohio State University's Big Ear radio telescope detected a deep-space radio signal.
Libyan–Egyptian War begins.
The Space Shuttle takes off on its maiden flight.
The Viking 2 became the second spacecraft to land on Mars.
The famous Face on Mars photo is taken.
Viking I lands on Mars.
Mariner IX took two photos of Mars' north pole.
The US spacecraft Pioneer 10 launched.
The mapping of Mars' surface began.
The National Oceanic and Atmospheric Administration's ITOS-B weather satellite launched atop a Delta rocket.
Astronauts on Apollo 15 discovered a rock that could date back to the birth of the moon.