Retired space pioneer Haim Eshed said aliens visited Earth, made deals with humanity; Isaac Ben-Israel thinks he went too far, but fascination with extraterrestrial life is legit

Paper uses statistics to examine how long it took life to evolve on Earth and how likely each step was, concludes highly unlikely other intelligent civilizations out there

Paul Chodas says he believes object that is set to be captured by earth's gravity is in fact Centaur rocket from failed Surveyor 2 moon mission 54 years ago

Announcement by Dubai ruler comes after launch of Mars probe earlier this year

Telescopes examining Earth's neighbor identify chemical signature of phosphine, a gas that on our planet is only associated with life, but scientists urge caution

Findings on genetically engineered rodents hold promise for preventing muscle, bone loss on prolonged space trips like Mars missions; could eventually help the wheelchair bound

Researchers in France say space rocks that formed near the Sun brought liquid to our nascent planet; suggest it was wet since it formed

Tianwen-1 will take seven months to reach red planet and marks week's second flight there after UAE orbiter, which blasted off from Japan

After delay, 'Hope' probe set to become Arab world's first interplanetary mission, scheduled to reach Red Planet in February

Celestial body 800 million light years from Earth, detected by its gravitational waves, is around 2.6 times the weight of the Sun