While not completely invulnerable, she is highly resistant to great amounts of concussive force and extreme temperatures and matches Superman in this regard. She is completely immune to his heat vision, virtually any damage, or even the core of the sun. However, edged weapons or projectiles applied with sufficient force are able to pierce her skin. Due to her divine origins, Diana can resist many forms of magical manipulation.
Although she has traditionally paired with either Steve Trevor or no one as a main romantic lead, and Superman with either Lois Lane or Lana Lang, there has often been the hint of a romance between the two characters. This began in the 1960 in the series Superman's Girlfriend, Lois Lane which was equal parts romance and action themed. In order to drive along the romance, the theme often came up of Lois Lane believing that Superman really loved Wonder Woman (though this was mostly for the purposes of a case.) In later years the same ideas perpetuated though most in imaginary stories or alternate tellings of the future. Following Crisis on Infinite Earths the characters were briefly linked romantically in Action Comics #600 which was written by John Byrne. Subsequently the characters' interest in one another was generally portrayed as a strong friendship (this occurred under different writers, primarily Messner-Loebs and Rucka.) Following the reboot of the DC universe into the new 52 the characters once again showed a romantic interest in one another. They found common ground in the isolation which their power give them and shared a kiss in Justice League #12 in 2012. It was later on revealed by Geoff Johns that their relationship wouldn't last for long and will end badly.
Upon becoming a super-heroine, Wonder Woman became a founding member of the Justice League. Her ambassadorial duties required her to visit Washington D.C., with army officer Steve Trevor as her liaison. When Parademons stormed Metropolis, Wonder Woman resolved to defend the city, meeting the heroes Superman, Batman, Flash, Green Lantern and Aquaman. They also met the young hero Cyborg, who attempted to warn them against the evil alien conqueror Darkseid. Unfortunately, Cyborg's warnings were meaningless, as Darkseid had already arrived. Although Darkseid had initially beat them without effort, Green Lantern rallied them in order to confront Darkseid as a team. Wonder Woman proved crucial in Darkseid's defeat, stabbing him in one of his eyes to prevent him from using his Omega Beams. This gave Superman and Cyborg enough time to throw Darkseid back into his home-world.
As the men helped the Amazons prepare for battle against the First Born's army, Diana received news that the First Born had been attacking other gods' realms. With Eros and Artemis, Wonder Woman ambushed the Minotaur at Demeter's home. Unfortunately, the First Born had already defeated Demeter, so Wonder Woman sent her companions to safety while she confronted him by herself.
In 1972, just months after the groundbreaking US Supreme Court decision Roe v. Wade, science fiction author Samuel R. Delany had planned a story for Ms. that culminated in a plainsclothes Wonder Woman protecting an abortion clinic. However, Steinem disapproved of Wonder Woman being out of costume, and the controversial story line never happened.
Although seemingly only a purely decorative aspect of her costume, in the golden and silver ages, her earrings were sometimes depicted as giving her the ability to breathe in outer space. Gelignite Grenade Earrings and Grappling Hook Bracelet - In her depowered mod girl phase, Diana on rare occasion employed these devices, which were concealed to look like regular parts of her costume. She acquired them from a demolitions expert and villain which she had helped reform. The grenades were strong enough to blast through a thick steel door and the grappling hook could support easily her body weight to aid in climbing.