NASA's new mission will send a space-observing telescope in Earth's stratosphere using a massive balloon.
A UFO expert claimed to have spotted objects on Mars that look like the "moai" of Easter Island in an image taken by NASA’s Curiosity rover in March 2015.
The eyewitness said that the fireball appeared in the sky over Collinsville, Illinois for about 20 seconds and had a light yellowish color.
Various observatories will host live stream events to broadcast comet NEOWISE's near-Earth approach.
The U.S. Space Force explained the meaning behind its motto and new logo.
An asteroid bigger than the Statue of Liberty is expected to fly past Earth tomorrow.
Skywatchers will be able to spot comet NEOWISE using a helpful astronomy mobile app, SkySafari 6.
NOAA detected a CME moving slowly away from the Sun that could hit Earth this week.
NASA and the ESA's Hubble Space Telescope captured a new photo of the spiral galaxy NGC 4848.
Researchers believe that a major asteroid shower on the Moon and Earth around 800 million years ago led to ice ages on the planet.
According to the data collected by NASA, four different asteroids will fly past Earth throughout the week.
A UFO expert claimed that NASA photographed an alleged bioengineered alien base on the Moon.
An object that looks like a tardigrade appeared on the surface of the Sun in the photos taken by NASA and the ESA's Solar Orbiter.
As comet NEOWISE moves closer to the planet, it appeared over SpaceX's Falcon 9 rocket before it launched into space.
NASA has detected an asteroid that will cross Earth's orbit on Tuesday. The asteroid will safely fly past the planet from a distance of about 0.00522 astronomical units or about 485,000 miles away.
A video was able to capture the bright flash produced by a possible meteor explosion in the U.S.
It was the first time for astronomers to observe a black hole's corona disappear in less than a year and then reappear again.
A photographer snapped a photo of the visible comet NEOWISE as it streaked over the Stonehenge monument in England.
An astronomer shared tips on how to spot Mercury, Venus, Jupiter, Saturn, Mars and a crescent moon in the sky on Sunday.
NASA has detected two asteroids that will fly past Earth on Sunday.
NASA provided tips on how to see comet NEOWISE in the sky as it moves closer to Earth.
NASA and the ESA's Hubble Space Telescope was able to take a photo of a new type of stellar nursery.